165552955 has 8 divisors (see below), whose sum is σ = 198733104. Its totient is φ = 132396000.

The previous prime is 165552949. The next prime is 165552979. The reversal of 165552955 is 559255561.

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

It is not a de Polignac number, because 165552955 - 2⁵ = 165552923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22260 + ... + 28750.

It is an arithmetic number, because the mean of its divisors is an integer number (24841638).

Almost surely, 2^165552955 is an apocalyptic number.

165552955 is a deficient number, since it is larger than the sum of its proper divisors (33180149).

165552955 is an equidigital number, since it uses as much as digits as its factorization.

165552955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11597.

The product of its digits is 337500, while the sum is 43.

The square root of 165552955 is about 12866.7383201804. The cubic root of 165552955 is about 549.0926692960.

The spelling of 165552955 in words is "one hundred sixty-five million, five hundred fifty-two thousand, nine hundred fifty-five".