161374745004 has 24 divisors (see below), whose sum is σ = 410772078528. Its totient is φ = 48901437840.

The previous prime is 161374744997. The next prime is 161374745041. The reversal of 161374745004 is 400547473161.

161374745004 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 7 ways as a sum of consecutive naturals, for example, 611267842 + ... + 611268105.

It is an arithmetic number, because the mean of its divisors is an integer number (17115503272).

Almost surely, 2^161374745004 is an apocalyptic number.

It is an amenable number.

161374745004 is an abundant number, since it is smaller than the sum of its proper divisors (249397333524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161374745004 is a wasteful number, since it uses less digits than its factorization.

161374745004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222535965 (or 1222535963 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The spelling of 161374745004 in words is "one hundred sixty-one billion, three hundred seventy-four million, seven hundred forty-five thousand, four".