165045124554154 has 16 divisors (see below), whose sum is σ = 266723235700992. Its totient is φ = 76142706970608.

The previous prime is 165045124554139. The next prime is 165045124554161. The reversal of 165045124554154 is 451455421540561.

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, 1331849374 + ... + 1331973289.

It is an arithmetic number, because the mean of its divisors is an integer number (16670202231312).

Almost surely, 2^{165045124554154} is an apocalyptic number.

165045124554154 is a deficient number, since it is larger than the sum of its proper divisors (101678111146838).

165045124554154 is a wasteful number, since it uses less digits than its factorization.

165045124554154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663825061.

The product of its (nonzero) digits is 9600000, while the sum is 52.

The spelling of 165045124554154 in words is "one hundred sixty-five trillion, forty-five billion, one hundred twenty-four million, five hundred fifty-four thousand, one hundred fifty-four".