65157912 has 32 divisors (see below), whose sum is σ = 180994800. Its totient is φ = 21719232.

The previous prime is 65157901. The next prime is 65157913. The reversal of 65157912 is 21975156.

65157912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65157913) 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 7 ways as a sum of consecutive naturals, for example, 150613 + ... + 151044.

Almost surely, 2^65157912 is an apocalyptic number.

It is an amenable number.

65157912 is an abundant number, since it is smaller than the sum of its proper divisors (115836888).

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

65157912 is a wasteful number, since it uses less digits than its factorization.

65157912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301672 (or 301662 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 65157912 is about 8072.0450940267. The cubic root of 65157912 is about 402.3979129751.

The spelling of 65157912 in words is "sixty-five million, one hundred fifty-seven thousand, nine hundred twelve".