165688150083 has 32 divisors (see below), whose sum is σ = 230505025536. Its totient is φ = 105778028928.

The previous prime is 165688150079. The next prime is 165688150091. The reversal of 165688150083 is 380051886561.

It is not a de Polignac number, because 165688150083 - 2² = 165688150079 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165688150063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2712385 + ... + 2772797.

It is an arithmetic number, because the mean of its divisors is an integer number (7203282048).

Almost surely, 2^165688150083 is an apocalyptic number.

165688150083 is a deficient number, since it is larger than the sum of its proper divisors (64816875453).

165688150083 is a wasteful number, since it uses less digits than its factorization.

165688150083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60883.

The product of its (nonzero) digits is 1382400, while the sum is 51.

The spelling of 165688150083 in words is "one hundred sixty-five billion, six hundred eighty-eight million, one hundred fifty thousand, eighty-three".