165522550154 has 32 divisors (see below), whose sum is σ = 284037600000. Its totient is φ = 71710225344.

The previous prime is 165522550117. The next prime is 165522550187. The reversal of 165522550154 is 451055225561.

165522550154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1483154 + ... + 1590845.

It is an arithmetic number, because the mean of its divisors is an integer number (8876175000).

Almost surely, 2^165522550154 is an apocalyptic number.

165522550154 is a deficient number, since it is larger than the sum of its proper divisors (118515049846).

165522550154 is a wasteful number, since it uses less digits than its factorization.

165522550154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074142.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 165522550154 in words is "one hundred sixty-five billion, five hundred twenty-two million, five hundred fifty thousand, one hundred fifty-four".