161768888088 has 16 divisors (see below), whose sum is σ = 404422220280. Its totient is φ = 53922962688.

The previous prime is 161768888081. The next prime is 161768888089. The reversal of 161768888088 is 880888867161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161768888081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3370185145 + ... + 3370185192.

Almost surely, 2^161768888088 is an apocalyptic number.

It is an amenable number.

161768888088 is an abundant number, since it is smaller than the sum of its proper divisors (242653332192).

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

161768888088 is a wasteful number, since it uses less digits than its factorization.

161768888088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740370346 (or 6740370342 counting only the distinct ones).

The product of its (nonzero) digits is 66060288, while the sum is 69.

The spelling of 161768888088 in words is "one hundred sixty-one billion, seven hundred sixty-eight million, eight hundred eighty-eight thousand, eighty-eight".