165364998 has 8 divisors (see below), whose sum is σ = 330730008. Its totient is φ = 55121664.

The previous prime is 165364987. The next prime is 165365003. The reversal of 165364998 is 899463561.

It is a sphenic number, since it is the product of 3 distinct primes.

165364998 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 165364998.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13780411 + ... + 13780422.

It is an arithmetic number, because the mean of its divisors is an integer number (41341251).

Almost surely, 2^165364998 is an apocalyptic number.

165364998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

165364998 is a wasteful number, since it uses less digits than its factorization.

165364998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27560838.

The product of its digits is 1399680, while the sum is 51.

The square root of 165364998 is about 12859.4322580742. The cubic root of 165364998 is about 548.8847904071.

The spelling of 165364998 in words is "one hundred sixty-five million, three hundred sixty-four thousand, nine hundred ninety-eight".