165166290375 has 32 divisors (see below), whose sum is σ = 276522924288. Its totient is φ = 87548234400.

The previous prime is 165166290361. The next prime is 165166290391. The reversal of 165166290375 is 573092661561.

It is not a de Polignac number, because 165166290375 - 2⁵ = 165166290343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1289929 + ... + 1412178.

It is an arithmetic number, because the mean of its divisors is an integer number (8641341384).

Almost surely, 2^165166290375 is an apocalyptic number.

165166290375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165166290375 is a deficient number, since it is larger than the sum of its proper divisors (111356633913).

165166290375 is a wasteful number, since it uses less digits than its factorization.

165166290375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702288 (or 2702278 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 51.

The spelling of 165166290375 in words is "one hundred sixty-five billion, one hundred sixty-six million, two hundred ninety thousand, three hundred seventy-five".