716685371886 has 16 divisors (see below), whose sum is σ = 1563677175168. Its totient is φ = 217177385400.

The previous prime is 716685371881. The next prime is 716685371947. The reversal of 716685371886 is 688173586617.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 10858869271 = 716685371886 / (7 + 1 + 6 + 6 + 8 + 5 + 3 + 7 + 1 + 8 + 8 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716685371881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5429434570 + ... + 5429434701.

It is an arithmetic number, because the mean of its divisors is an integer number (97729823448).

Almost surely, 2^716685371886 is an apocalyptic number.

716685371886 is an abundant number, since it is smaller than the sum of its proper divisors (846991803282).

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

716685371886 is a wasteful number, since it uses less digits than its factorization.

716685371886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10858869287.

The product of its digits is 81285120, while the sum is 66.

The spelling of 716685371886 in words is "seven hundred sixteen billion, six hundred eighty-five million, three hundred seventy-one thousand, eight hundred eighty-six".