164256650 has 24 divisors (see below), whose sum is σ = 306703584. Its totient is φ = 65447600.

The previous prime is 164256637. The next prime is 164256661. The reversal of 164256650 is 56652461.

164256650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 164256650.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6905 + ... + 19395.

It is an arithmetic number, because the mean of its divisors is an integer number (12779316).

Almost surely, 2^164256650 is an apocalyptic number.

164256650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164256650 is a deficient number, since it is larger than the sum of its proper divisors (142446934).

164256650 is a wasteful number, since it uses less digits than its factorization.

164256650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12766 (or 12761 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 164256650 is about 12816.2650565600. The cubic root of 164256650 is about 547.6557524112.

The spelling of 164256650 in words is "one hundred sixty-four million, two hundred fifty-six thousand, six hundred fifty".