161080934880 has 96 divisors (see below), whose sum is σ = 510061805568. Its totient is φ = 42729996800.

The previous prime is 161080934863. The next prime is 161080934951. The reversal of 161080934880 is 88439080161.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×161080934880² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786816 + ... + 970175.

It is an arithmetic number, because the mean of its divisors is an integer number (5313143808).

Almost surely, 2^161080934880 is an apocalyptic number.

161080934880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161080934880 is an abundant number, since it is smaller than the sum of its proper divisors (348980870688).

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

161080934880 is a wasteful number, since it uses less digits than its factorization.

161080934880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757200 (or 1757192 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The spelling of 161080934880 in words is "one hundred sixty-one billion, eighty million, nine hundred thirty-four thousand, eight hundred eighty".