63162820 has 48 divisors (see below), whose sum is σ = 160513920. Its totient is φ = 20381184.

The previous prime is 63162817. The next prime is 63162833. The reversal of 63162820 is 2826136.

63162820 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-3 number, since 3×63162820³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10890 + ... + 15649.

It is an arithmetic number, because the mean of its divisors is an integer number (3344040).

Almost surely, 2^63162820 is an apocalyptic number.

It is an amenable number.

63162820 is an abundant number, since it is smaller than the sum of its proper divisors (97351100).

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

63162820 is a wasteful number, since it uses less digits than its factorization.

63162820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26572 (or 26570 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 63162820 is about 7947.5040106942. The cubic root of 63162820 is about 398.2482143169.

Adding to 63162820 its reverse (2826136), we get a palindrome (65988956).

The spelling of 63162820 in words is "sixty-three million, one hundred sixty-two thousand, eight hundred twenty".