161877300132 has 24 divisors (see below), whose sum is σ = 394136035776. Its totient is φ = 51613052128.

The previous prime is 161877300131. The next prime is 161877300191. The reversal of 161877300132 is 231003778161.

It is not an unprimeable number, because it can be changed into a prime (161877300131) 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 7 ways as a sum of consecutive naturals, for example, 293255703 + ... + 293256254.

It is an arithmetic number, because the mean of its divisors is an integer number (16422334824).

Almost surely, 2^161877300132 is an apocalyptic number.

161877300132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161877300132 is an abundant number, since it is smaller than the sum of its proper divisors (232258735644).

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

161877300132 is a wasteful number, since it uses less digits than its factorization.

161877300132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586511987 (or 586511985 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 161877300132 in words is "one hundred sixty-one billion, eight hundred seventy-seven million, three hundred thousand, one hundred thirty-two".