164872659 has 16 divisors (see below), whose sum is σ = 251436800. Its totient is φ = 94137120.

The previous prime is 164872619. The next prime is 164872661. The reversal of 164872659 is 956278461.

It is not a de Polignac number, because 164872659 - 2¹² = 164868563 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164872619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33369 + ... + 37989.

It is an arithmetic number, because the mean of its divisors is an integer number (15714800).

Almost surely, 2^164872659 is an apocalyptic number.

164872659 is a deficient number, since it is larger than the sum of its proper divisors (86564141).

164872659 is a wasteful number, since it uses less digits than its factorization.

164872659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330.

The product of its digits is 725760, while the sum is 48.

The square root of 164872659 is about 12840.2748802352. The cubic root of 164872659 is about 548.3395197876.

The spelling of 164872659 in words is "one hundred sixty-four million, eight hundred seventy-two thousand, six hundred fifty-nine".