161372793982 has 16 divisors (see below), whose sum is σ = 258457541760. Its totient is φ = 75383447832.

The previous prime is 161372793973. The next prime is 161372793997. The reversal of 161372793982 is 289397273161.

161372793982 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, 40789932 + ... + 40793887.

It is an arithmetic number, because the mean of its divisors is an integer number (16153596360).

Almost surely, 2^161372793982 is an apocalyptic number.

161372793982 is a deficient number, since it is larger than the sum of its proper divisors (97084747778).

161372793982 is a wasteful number, since it uses less digits than its factorization.

161372793982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81583887.

The product of its digits is 6858432, while the sum is 58.

The spelling of 161372793982 in words is "one hundred sixty-one billion, three hundred seventy-two million, seven hundred ninety-three thousand, nine hundred eighty-two".