164210556 has 24 divisors (see below), whose sum is σ = 383958400. Its totient is φ = 54622512.

The previous prime is 164210533. The next prime is 164210561. The reversal of 164210556 is 655012461.

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, 8206 + ... + 19893.

Almost surely, 2^164210556 is an apocalyptic number.

It is an amenable number.

164210556 is an abundant number, since it is smaller than the sum of its proper divisors (219747844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164210556 is a wasteful number, since it uses less digits than its factorization.

164210556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28593 (or 28591 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 164210556 is about 12814.4666685742. The cubic root of 164210556 is about 547.6045195673.

The spelling of 164210556 in words is "one hundred sixty-four million, two hundred ten thousand, five hundred fifty-six".