161133594680 has 32 divisors (see below), whose sum is σ = 362597083200. Its totient is φ = 64445172096.

The previous prime is 161133594653. The next prime is 161133594697. The reversal of 161133594680 is 86495331161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62414 + ... + 571106.

It is an arithmetic number, because the mean of its divisors is an integer number (11331158850).

Almost surely, 2^161133594680 is an apocalyptic number.

161133594680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161133594680 is an abundant number, since it is smaller than the sum of its proper divisors (201463488520).

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

161133594680 is a wasteful number, since it uses less digits than its factorization.

161133594680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516623 (or 516619 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 161133594680 in words is "one hundred sixty-one billion, one hundred thirty-three million, five hundred ninety-four thousand, six hundred eighty".