716681807172 has 48 divisors (see below), whose sum is σ = 1872694405120. Its totient is φ = 237012876576.

The previous prime is 716681807141. The next prime is 716681807173. The reversal of 716681807172 is 271708186617.

It is a super-3 number, since 3×716681807172³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (716681807173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26112043 + ... + 26139474.

Almost surely, 2^716681807172 is an apocalyptic number.

It is an amenable number.

716681807172 is an abundant number, since it is smaller than the sum of its proper divisors (1156012597948).

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

716681807172 is a wasteful number, since it uses less digits than its factorization.

716681807172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52251657 (or 52251649 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 54.

The spelling of 716681807172 in words is "seven hundred sixteen billion, six hundred eighty-one million, eight hundred seven thousand, one hundred seventy-two".