161500060 has 12 divisors (see below), whose sum is σ = 339150168. Its totient is φ = 64600016.

The previous prime is 161500021. The next prime is 161500067. The reversal of 161500060 is 60005161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161500067) 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, 4037482 + ... + 4037521.

It is an arithmetic number, because the mean of its divisors is an integer number (28262514).

Almost surely, 2^161500060 is an apocalyptic number.

161500060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161500060 is an abundant number, since it is smaller than the sum of its proper divisors (177650108).

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

161500060 is a wasteful number, since it uses less digits than its factorization.

161500060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8075012 (or 8075010 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 161500060 is about 12708.2673878070. The cubic root of 161500060 is about 544.5748276131.

The spelling of 161500060 in words is "one hundred sixty-one million, five hundred thousand, sixty".