164857900 has 18 divisors (see below), whose sum is σ = 357741860. Its totient is φ = 65943120.

The previous prime is 164857897. The next prime is 164857919. The reversal of 164857900 is 9758461.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 824190 + ... + 824389.

Almost surely, 2^164857900 is an apocalyptic number.

164857900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164857900 is an abundant number, since it is smaller than the sum of its proper divisors (192883960).

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

164857900 is a wasteful number, since it uses less digits than its factorization.

164857900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648593 (or 1648586 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 164857900 is about 12839.7001522621. The cubic root of 164857900 is about 548.3231572920.

The spelling of 164857900 in words is "one hundred sixty-four million, eight hundred fifty-seven thousand, nine hundred".