65165412 has 24 divisors (see below), whose sum is σ = 163749376. Its totient is φ = 20050848.

The previous prime is 65165411. The next prime is 65165413. The reversal of 65165412 is 21456156.

It is an interprime number because it is at equal distance from previous prime (65165411) and next prime (65165413).

It is a super-2 number, since 2×65165412² = 8493061842259488, 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 65165412.

It is not an unprimeable number, because it can be changed into a prime (65165411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208708 + ... + 209019.

Almost surely, 2^65165412 is an apocalyptic number.

It is an amenable number.

65165412 is an abundant number, since it is smaller than the sum of its proper divisors (98583964).

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

65165412 is a wasteful number, since it uses less digits than its factorization.

65165412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417747 (or 417745 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 65165412 is about 8072.5096469438. The cubic root of 65165412 is about 402.4133517171.

The spelling of 65165412 in words is "sixty-five million, one hundred sixty-five thousand, four hundred twelve".