165379998 has 24 divisors (see below), whose sum is σ = 384762312. Its totient is φ = 47251344.

The previous prime is 165379969. The next prime is 165379999. The reversal of 165379998 is 899973561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165379999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280965 + ... + 281552.

It is an arithmetic number, because the mean of its divisors is an integer number (16031763).

Almost surely, 2^165379998 is an apocalyptic number.

165379998 is an abundant number, since it is smaller than the sum of its proper divisors (219382314).

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

165379998 is a wasteful number, since it uses less digits than its factorization.

165379998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562536 (or 562529 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 57.

The square root of 165379998 is about 12860.0154743297. The cubic root of 165379998 is about 548.9013860653.

The spelling of 165379998 in words is "one hundred sixty-five million, three hundred seventy-nine thousand, nine hundred ninety-eight".