161150680 has 32 divisors (see below), whose sum is σ = 375094800. Its totient is φ = 62237056.

The previous prime is 161150677. The next prime is 161150749. The reversal of 161150680 is 86051161.

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, 68302 + ... + 70621.

Almost surely, 2^161150680 is an apocalyptic number.

161150680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161150680 is an abundant number, since it is smaller than the sum of its proper divisors (213944120).

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

161150680 is a wasteful number, since it uses less digits than its factorization.

161150680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138963 (or 138959 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 161150680 is about 12694.5137756434. The cubic root of 161150680 is about 544.1818434038.

The spelling of 161150680 in words is "one hundred sixty-one million, one hundred fifty thousand, six hundred eighty".