164656918 has 8 divisors (see below), whose sum is σ = 249531912. Its totient is φ = 81479616.

The previous prime is 164656901. The next prime is 164656937. The reversal of 164656918 is 819656461.

164656918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×164656918² = 54223801290517448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424180 + ... + 424567.

It is an arithmetic number, because the mean of its divisors is an integer number (31191489).

Almost surely, 2^164656918 is an apocalyptic number.

164656918 is a deficient number, since it is larger than the sum of its proper divisors (84874994).

164656918 is an equidigital number, since it uses as much as digits as its factorization.

164656918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848846.

The product of its digits is 311040, while the sum is 46.

The square root of 164656918 is about 12831.8711807748. The cubic root of 164656918 is about 548.1002422870.

It can be divided in two parts, 1646 and 56918, that added together give a square (58564 = 242²).

The spelling of 164656918 in words is "one hundred sixty-four million, six hundred fifty-six thousand, nine hundred eighteen".