161274750524 has 24 divisors (see below), whose sum is σ = 284708911200. Its totient is φ = 79931572416.

The previous prime is 161274750437. The next prime is 161274750563. The reversal of 161274750524 is 425057472161.

It is a happy number.

161274750524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 12434 + ... + 568070.

It is an arithmetic number, because the mean of its divisors is an integer number (11862871300).

Almost surely, 2^161274750524 is an apocalyptic number.

It is an amenable number.

161274750524 is a deficient number, since it is larger than the sum of its proper divisors (123434160676).

161274750524 is a wasteful number, since it uses less digits than its factorization.

161274750524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556277 (or 556275 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 161274750524 in words is "one hundred sixty-one billion, two hundred seventy-four million, seven hundred fifty thousand, five hundred twenty-four".