16117400680 has 16 divisors (see below), whose sum is σ = 36264151620. Its totient is φ = 6446960256.

The previous prime is 16117400669. The next prime is 16117400699. The reversal of 16117400680 is 8600471161.

It can be written as a sum of positive squares in 2 ways, for example, as 14851321956 + 1266078724 = 121866^2 + 35582^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201467469 + ... + 201467548.

Almost surely, 2^16117400680 is an apocalyptic number.

16117400680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16117400680 is an abundant number, since it is smaller than the sum of its proper divisors (20146750940).

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

16117400680 is a wasteful number, since it uses less digits than its factorization.

16117400680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402935028 (or 402935024 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 16117400680 in words is "sixteen billion, one hundred seventeen million, four hundred thousand, six hundred eighty".