165372398 has 8 divisors (see below), whose sum is σ = 252263160. Its totient is φ = 81284680.

The previous prime is 165372397. The next prime is 165372401. The reversal of 165372398 is 893273561.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165372397) 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 3 ways as a sum of consecutive naturals, for example, 700613 + ... + 700848.

It is an arithmetic number, because the mean of its divisors is an integer number (31532895).

Almost surely, 2^165372398 is an apocalyptic number.

165372398 is a deficient number, since it is larger than the sum of its proper divisors (86890762).

165372398 is a wasteful number, since it uses less digits than its factorization.

165372398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401522.

The product of its digits is 272160, while the sum is 44.

The square root of 165372398 is about 12859.7199813993. The cubic root of 165372398 is about 548.8929777239.

The spelling of 165372398 in words is "one hundred sixty-five million, three hundred seventy-two thousand, three hundred ninety-eight".