164116864 has 16 divisors (see below), whose sum is σ = 326951820. Its totient is φ = 82058368.

The previous prime is 164116847. The next prime is 164116871. The reversal of 164116864 is 468611461.

It is a tau number, because it is divible by the number of its divisors (16).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640954 + ... + 641209.

Almost surely, 2^164116864 is an apocalyptic number.

It is an amenable number.

164116864 is a deficient number, since it is larger than the sum of its proper divisors (162834956).

164116864 is an equidigital number, since it uses as much as digits as its factorization.

164116864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282177 (or 1282165 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 164116864 is about 12810.8104349413. The cubic root of 164116864 is about 547.5003526474.

The spelling of 164116864 in words is "one hundred sixty-four million, one hundred sixteen thousand, eight hundred sixty-four".