165079898 has 16 divisors (see below), whose sum is σ = 256158720. Its totient is φ = 79705200.

The previous prime is 165079897. The next prime is 165079907. The reversal of 165079898 is 898970561.

It is not an unprimeable number, because it can be changed into a prime (165079891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28943 + ... + 34173.

It is an arithmetic number, because the mean of its divisors is an integer number (16009920).

Almost surely, 2^165079898 is an apocalyptic number.

165079898 is a deficient number, since it is larger than the sum of its proper divisors (91078822).

165079898 is a wasteful number, since it uses less digits than its factorization.

165079898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773.

The product of its (nonzero) digits is 1088640, while the sum is 53.

The square root of 165079898 is about 12848.3422276961. The cubic root of 165079898 is about 548.5691712754.

The spelling of 165079898 in words is "one hundred sixty-five million, seventy-nine thousand, eight hundred ninety-eight".