16806568000 has 56 divisors (see below), whose sum is σ = 41621485464. Its totient is φ = 6722624000.

The previous prime is 16806567997. The next prime is 16806568019. The reversal of 16806568000 is 86560861.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24920064 + 16781647936 = 4992^2 + 129544^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 1042411 + ... + 1058410.

Almost surely, 2^16806568000 is an apocalyptic number.

16806568000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16806568000 is an abundant number, since it is smaller than the sum of its proper divisors (24814917464).

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

16806568000 is an equidigital number, since it uses as much as digits as its factorization.

16806568000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100848 (or 2100828 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 16806568000 in words is "sixteen billion, eight hundred six million, five hundred sixty-eight thousand".