161132833784 has 32 divisors (see below), whose sum is σ = 325794342720. Its totient is φ = 74270722176.

The previous prime is 161132833657. The next prime is 161132833801. The reversal of 161132833784 is 487338231161.

It is a happy number.

161132833784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 944624 + ... + 1102079.

It is an arithmetic number, because the mean of its divisors is an integer number (10181073210).

Almost surely, 2^161132833784 is an apocalyptic number.

It is an amenable number.

161132833784 is an abundant number, since it is smaller than the sum of its proper divisors (164661508936).

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

161132833784 is a wasteful number, since it uses less digits than its factorization.

161132833784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047479 (or 2047475 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The spelling of 161132833784 in words is "one hundred sixty-one billion, one hundred thirty-two million, eight hundred thirty-three thousand, seven hundred eighty-four".