16589145980 has 36 divisors (see below), whose sum is σ = 38292141720. Its totient is φ = 6032415840.

The previous prime is 16589145919. The next prime is 16589146001. The reversal of 16589145980 is 8954198561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3425090 + ... + 3429929.

Almost surely, 2^16589145980 is an apocalyptic number.

16589145980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16589145980 is an abundant number, since it is smaller than the sum of its proper divisors (21702995740).

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

16589145980 is a wasteful number, since it uses less digits than its factorization.

16589145980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855050 (or 6855037 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 56.

The spelling of 16589145980 in words is "sixteen billion, five hundred eighty-nine million, one hundred forty-five thousand, nine hundred eighty".