65870164 has 24 divisors (see below), whose sum is σ = 119347200. Its totient is φ = 31777440.

The previous prime is 65870143. The next prime is 65870173. The reversal of 65870164 is 46107856.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58842 + ... + 59950.

It is an arithmetic number, because the mean of its divisors is an integer number (4972800).

Almost surely, 2^65870164 is an apocalyptic number.

It is an amenable number.

65870164 is a deficient number, since it is larger than the sum of its proper divisors (53477036).

65870164 is a wasteful number, since it uses less digits than its factorization.

65870164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 65870164 is about 8116.0436174284. The cubic root of 65870164 is about 403.8588288904.

The spelling of 65870164 in words is "sixty-five million, eight hundred seventy thousand, one hundred sixty-four".