164275998 has 32 divisors (see below), whose sum is σ = 355290624. Its totient is φ = 50439552.

The previous prime is 164275973. The next prime is 164276023. The reversal of 164275998 is 899572461.

It is an interprime number because it is at equal distance from previous prime (164275973) and next prime (164276023).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 164275998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12340 + ... + 21927.

It is an arithmetic number, because the mean of its divisors is an integer number (11102832).

Almost surely, 2^164275998 is an apocalyptic number.

164275998 is an abundant number, since it is smaller than the sum of its proper divisors (191014626).

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

164275998 is a wasteful number, since it uses less digits than its factorization.

164275998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34336.

The product of its digits is 1088640, while the sum is 51.

The square root of 164275998 is about 12817.0198564253. The cubic root of 164275998 is about 547.6772545898.

The spelling of 164275998 in words is "one hundred sixty-four million, two hundred seventy-five thousand, nine hundred ninety-eight".