63169040 has 80 divisors (see below), whose sum is σ = 167239296. Its totient is φ = 21964800.

The previous prime is 63169031. The next prime is 63169049. The reversal of 63169040 is 4096136.

It is an interprime number because it is at equal distance from previous prime (63169031) and next prime (63169049).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×63169040² = 7980655229043200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63168994 and 63169012.

It is not an unprimeable number, because it can be changed into a prime (63169049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18680 + ... + 21800.

Almost surely, 2^63169040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63169040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83619648).

63169040 is an abundant number, since it is smaller than the sum of its proper divisors (104070256).

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

63169040 is a wasteful number, since it uses less digits than its factorization.

63169040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168 (or 3162 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 63169040 is about 7947.8953188879. The cubic root of 63169040 is about 398.2612864722.

The spelling of 63169040 in words is "sixty-three million, one hundred sixty-nine thousand, forty".