165172046 has 8 divisors (see below), whose sum is σ = 266816424. Its totient is φ = 76233240.

The previous prime is 165172037. The next prime is 165172087. The reversal of 165172046 is 640271561.

165172046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×165172046² = 54563609559652232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3176360 + ... + 3176411.

It is an arithmetic number, because the mean of its divisors is an integer number (33352053).

Almost surely, 2^165172046 is an apocalyptic number.

165172046 is a deficient number, since it is larger than the sum of its proper divisors (101644378).

165172046 is a wasteful number, since it uses less digits than its factorization.

165172046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352786.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 165172046 is about 12851.9277153274. The cubic root of 165172046 is about 548.6712231704.

The spelling of 165172046 in words is "one hundred sixty-five million, one hundred seventy-two thousand, forty-six".