16056655980 has 24 divisors (see below), whose sum is σ = 44958636912. Its totient is φ = 4281774912.

The previous prime is 16056655961. The next prime is 16056656023. The reversal of 16056655980 is 8955665061.

It is a happy 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, 133805407 + ... + 133805526.

It is an arithmetic number, because the mean of its divisors is an integer number (1873276538).

Almost surely, 2^16056655980 is an apocalyptic number.

16056655980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16056655980 is an abundant number, since it is smaller than the sum of its proper divisors (28901980932).

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

16056655980 is a wasteful number, since it uses less digits than its factorization.

16056655980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267610945 (or 267610943 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 16056655980 in words is "sixteen billion, fifty-six million, six hundred fifty-five thousand, nine hundred eighty".