161176332816 has 40 divisors (see below), whose sum is σ = 462635771360. Its totient is φ = 53725444128.

The previous prime is 161176332803. The next prime is 161176332847. The reversal of 161176332816 is 618233671161.

161176332816 is a `hidden beast` number, since 1 + 6 + 1 + 1 + 7 + 633 + 2 + 8 + 1 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186546250 + ... + 186547113.

It is an arithmetic number, because the mean of its divisors is an integer number (11565894284).

Almost surely, 2^161176332816 is an apocalyptic number.

161176332816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161176332816 is an abundant number, since it is smaller than the sum of its proper divisors (301459438544).

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

161176332816 is a wasteful number, since it uses less digits than its factorization.

161176332816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373093380 (or 373093368 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 161176332816 in words is "one hundred sixty-one billion, one hundred seventy-six million, three hundred thirty-two thousand, eight hundred sixteen".