16709391937860 has 96 divisors (see below), whose sum is σ = 49385158435200. Its totient is φ = 4221319964544.

The previous prime is 16709391937859. The next prime is 16709391937873. The reversal of 16709391937860 is 6873919390761.

It is a super-2 number, since 2×16709391937860² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19889515 + ... + 20712594.

It is an arithmetic number, because the mean of its divisors is an integer number (514428733700).

Almost surely, 2^{16709391937860} is an apocalyptic number.

16709391937860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16709391937860 is an abundant number, since it is smaller than the sum of its proper divisors (32675766497340).

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

16709391937860 is a wasteful number, since it uses less digits than its factorization.

16709391937860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40602178 (or 40602138 counting only the distinct ones).

The product of its (nonzero) digits is 92588832, while the sum is 69.

The spelling of 16709391937860 in words is "sixteen trillion, seven hundred nine billion, three hundred ninety-one million, nine hundred thirty-seven thousand, eight hundred sixty".