65077164 has 36 divisors (see below), whose sum is σ = 166760776. Its totient is φ = 21394368.

The previous prime is 65077123. The next prime is 65077171. The reversal of 65077164 is 46177056.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9754 + ... + 15009.

Almost surely, 2^65077164 is an apocalyptic number.

It is an amenable number.

65077164 is an abundant number, since it is smaller than the sum of its proper divisors (101683612).

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

65077164 is a wasteful number, since it uses less digits than its factorization.

65077164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24846 (or 24841 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 65077164 is about 8067.0418370057. The cubic root of 65077164 is about 402.2316182134.

The spelling of 65077164 in words is "sixty-five million, seventy-seven thousand, one hundred sixty-four".