65765164 has 6 divisors (see below), whose sum is σ = 115089044. Its totient is φ = 32882580.

The previous prime is 65765149. The next prime is 65765171. The reversal of 65765164 is 46156756.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8220642 + ... + 8220649.

Almost surely, 2^65765164 is an apocalyptic number.

It is an amenable number.

65765164 is a deficient number, since it is larger than the sum of its proper divisors (49323880).

65765164 is a wasteful number, since it uses less digits than its factorization.

65765164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16441295 (or 16441293 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 65765164 is about 8109.5723685038. The cubic root of 65765164 is about 403.6441250632.

The spelling of 65765164 in words is "sixty-five million, seven hundred sixty-five thousand, one hundred sixty-four".