6716690388372 has 12 divisors (see below), whose sum is σ = 15672277572896. Its totient is φ = 2238896796120.

The previous prime is 6716690388367. The next prime is 6716690388479. The reversal of 6716690388372 is 2738830966176.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×6716690388372² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 279862099504 + ... + 279862099527.

Almost surely, 2^{6716690388372} is an apocalyptic number.

It is an amenable number.

6716690388372 is an abundant number, since it is smaller than the sum of its proper divisors (8955587184524).

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

6716690388372 is a wasteful number, since it uses less digits than its factorization.

6716690388372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559724199038 (or 559724199036 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 66.

The spelling of 6716690388372 in words is "six trillion, seven hundred sixteen billion, six hundred ninety million, three hundred eighty-eight thousand, three hundred seventy-two".