164694256 has 20 divisors (see below), whose sum is σ = 321132472. Its totient is φ = 81821376.

The previous prime is 164694221. The next prime is 164694287. The reversal of 164694256 is 652496461.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 30270 + ... + 35293.

Almost surely, 2^164694256 is an apocalyptic number.

164694256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164694256 is a deficient number, since it is larger than the sum of its proper divisors (156438216).

164694256 is a wasteful number, since it uses less digits than its factorization.

164694256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65728 (or 65722 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 164694256 is about 12833.3259913399. The cubic root of 164694256 is about 548.1416686669.

The spelling of 164694256 in words is "one hundred sixty-four million, six hundred ninety-four thousand, two hundred fifty-six".