16697687260 has 24 divisors (see below), whose sum is σ = 35085357216. Its totient is φ = 6675224640.

The previous prime is 16697687243. The next prime is 16697687297. The reversal of 16697687260 is 6278679661.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16697687195 and 16697687204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204952 + ... + 274591.

It is an arithmetic number, because the mean of its divisors is an integer number (1461889884).

Almost surely, 2^16697687260 is an apocalyptic number.

16697687260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16697687260 is an abundant number, since it is smaller than the sum of its proper divisors (18387669956).

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

16697687260 is a wasteful number, since it uses less digits than its factorization.

16697687260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481293 (or 481291 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 16697687260 in words is "sixteen billion, six hundred ninety-seven million, six hundred eighty-seven thousand, two hundred sixty".