164057859 has 32 divisors (see below), whose sum is σ = 286740480. Its totient is φ = 90720000.

The previous prime is 164057821. The next prime is 164057869. The reversal of 164057859 is 958750461.

It is not a de Polignac number, because 164057859 - 2⁸ = 164057603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164057869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8142 + ... + 19859.

It is an arithmetic number, because the mean of its divisors is an integer number (8960640).

Almost surely, 2^164057859 is an apocalyptic number.

164057859 is a deficient number, since it is larger than the sum of its proper divisors (122682621).

164057859 is a wasteful number, since it uses less digits than its factorization.

164057859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28048 (or 28042 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 164057859 is about 12808.5072900787. The cubic root of 164057859 is about 547.4347304441.

The spelling of 164057859 in words is "one hundred sixty-four million, fifty-seven thousand, eight hundred fifty-nine".