63155466 has 72 divisors (see below), whose sum is σ = 152373312. Its totient is φ = 18889200.

The previous prime is 63155453. The next prime is 63155467. The reversal of 63155466 is 66455136.

63155466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63155466² = 7977225771354312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63155466.

It is not an unprimeable number, because it can be changed into a prime (63155467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 232911 + ... + 233181.

It is an arithmetic number, because the mean of its divisors is an integer number (2116296).

Almost surely, 2^63155466 is an apocalyptic number.

63155466 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 63155466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76186656).

63155466 is an abundant number, since it is smaller than the sum of its proper divisors (89217846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63155466 is a wasteful number, since it uses less digits than its factorization.

63155466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 394 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 63155466 is about 7947.0413362458. The cubic root of 63155466 is about 398.2327578029.

It can be divided in two parts, 6315 and 5466, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 63155466 in words is "sixty-three million, one hundred fifty-five thousand, four hundred sixty-six".