164359870 has 16 divisors (see below), whose sum is σ = 296425008. Its totient is φ = 65615680.

The previous prime is 164359843. The next prime is 164359903. The reversal of 164359870 is 78953461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10564 + ... + 20983.

It is an arithmetic number, because the mean of its divisors is an integer number (18526563).

Almost surely, 2^164359870 is an apocalyptic number.

164359870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164359870 is a deficient number, since it is larger than the sum of its proper divisors (132065138).

164359870 is a wasteful number, since it uses less digits than its factorization.

164359870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32075.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 164359870 is about 12820.2913383433. The cubic root of 164359870 is about 547.7704452609.

It can be divided in two parts, 164 and 359870, that multiplied together give a triangular number (59018680 = T₁₀₈₆₄).

The spelling of 164359870 in words is "one hundred sixty-four million, three hundred fifty-nine thousand, eight hundred seventy".