161090880882 has 8 divisors (see below), whose sum is σ = 322181761776. Its totient is φ = 53696960292.

The previous prime is 161090880877. The next prime is 161090880883. The reversal of 161090880882 is 288088090161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

161090880882 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (161090880883) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13424240068 + ... + 13424240079.

It is an arithmetic number, because the mean of its divisors is an integer number (40272720222).

Almost surely, 2^161090880882 is an apocalyptic number.

161090880882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

161090880882 is a wasteful number, since it uses less digits than its factorization.

161090880882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26848480152.

The product of its (nonzero) digits is 442368, while the sum is 51.

The spelling of 161090880882 in words is "one hundred sixty-one billion, ninety million, eight hundred eighty thousand, eight hundred eighty-two".