161418500375 has 32 divisors (see below), whose sum is σ = 219877632000. Its totient is φ = 117334548000.

The previous prime is 161418500329. The next prime is 161418500381. The reversal of 161418500375 is 573005814161.

161418500375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161418500375 - 2⁸ = 161418500119 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 2719262 + ... + 2777988.

It is an arithmetic number, because the mean of its divisors is an integer number (6871176000).

Almost surely, 2^161418500375 is an apocalyptic number.

161418500375 is a deficient number, since it is larger than the sum of its proper divisors (58459131625).

161418500375 is a wasteful number, since it uses less digits than its factorization.

161418500375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60752 (or 60742 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 161418500375 in words is "one hundred sixty-one billion, four hundred eighteen million, five hundred thousand, three hundred seventy-five".