16800814080 has 132 divisors (see below), whose sum is σ = 58214542932. Its totient is φ = 4480204800.

The previous prime is 16800814067. The next prime is 16800814103. The reversal of 16800814080 is 8041800861.

It can be written as a sum of positive squares in 2 ways, for example, as 3990196224 + 12810617856 = 63168^2 + 113184^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 4.

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, 136221 + ... + 228380.

Almost surely, 2^16800814080 is an apocalyptic number.

16800814080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16800814080 is an abundant number, since it is smaller than the sum of its proper divisors (41413728852).

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

16800814080 is a wasteful number, since it uses less digits than its factorization.

16800814080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364632 (or 364611 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The spelling of 16800814080 in words is "sixteen billion, eight hundred million, eight hundred fourteen thousand, eighty".