16215679080 has 48 divisors (see below), whose sum is σ = 52700958180. Its totient is φ = 4324180992.

The previous prime is 16215679057. The next prime is 16215679091. The reversal of 16215679080 is 8097651261.

16215679080 is a `hidden beast` number, since 1 + 6 + 2 + 1 + 567 + 9 + 0 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16059479076 + 156200004 = 126726^2 + 12498^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 22521417 + ... + 22522136.

Almost surely, 2^16215679080 is an apocalyptic number.

16215679080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16215679080 is an abundant number, since it is smaller than the sum of its proper divisors (36485279100).

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

16215679080 is a wasteful number, since it uses less digits than its factorization.

16215679080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45043570 (or 45043563 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 16215679080 in words is "sixteen billion, two hundred fifteen million, six hundred seventy-nine thousand, eighty".