716620149957 has 16 divisors (see below), whose sum is σ = 985602947840. Its totient is φ = 462804829632.

The previous prime is 716620149827. The next prime is 716620149991. The reversal of 716620149957 is 759941026617.

It is a happy number.

It is not a de Polignac number, because 716620149957 - 2¹⁹ = 716619625669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 716620149897 and 716620149906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716620149457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14070733 + ... + 14121570.

It is an arithmetic number, because the mean of its divisors is an integer number (61600184240).

Almost surely, 2^716620149957 is an apocalyptic number.

It is an amenable number.

716620149957 is a deficient number, since it is larger than the sum of its proper divisors (268982797883).

716620149957 is a wasteful number, since it uses less digits than its factorization.

716620149957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28192572.

The product of its (nonzero) digits is 5715360, while the sum is 57.

The spelling of 716620149957 in words is "seven hundred sixteen billion, six hundred twenty million, one hundred forty-nine thousand, nine hundred fifty-seven".