164657883 has 24 divisors (see below), whose sum is σ = 240798720. Its totient is φ = 100020960.

The previous prime is 164657861. The next prime is 164657891. The reversal of 164657883 is 388756461.

It is not a de Polignac number, because 164657883 - 2¹⁰ = 164656859 is a prime.

It is a super-2 number, since 2×164657883² = 54224436868083378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164657813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37998 + ... + 42108.

It is an arithmetic number, because the mean of its divisors is an integer number (10033280).

Almost surely, 2^164657883 is an apocalyptic number.

164657883 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164657883 is a deficient number, since it is larger than the sum of its proper divisors (76140837).

164657883 is a wasteful number, since it uses less digits than its factorization.

164657883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4219 (or 4206 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 164657883 is about 12831.9087824065. The cubic root of 164657883 is about 548.1013130299.

The spelling of 164657883 in words is "one hundred sixty-four million, six hundred fifty-seven thousand, eight hundred eighty-three".