65112164 has 48 divisors (see below), whose sum is σ = 131476800. Its totient is φ = 27962496.

The previous prime is 65112137. The next prime is 65112167. The reversal of 65112164 is 46121156.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (65112167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57734 + ... + 58850.

It is an arithmetic number, because the mean of its divisors is an integer number (2739100).

Almost surely, 2^65112164 is an apocalyptic number.

It is an amenable number.

65112164 is an abundant number, since it is smaller than the sum of its proper divisors (66364636).

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

65112164 is a wasteful number, since it uses less digits than its factorization.

65112164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 1210 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 65112164 is about 8069.2108660017. The cubic root of 65112164 is about 402.3037151042.

The spelling of 65112164 in words is "sixty-five million, one hundred twelve thousand, one hundred sixty-four".