716623066531 has 2 divisors, whose sum is σ = 716623066532. Its totient is φ = 716623066530.

The previous prime is 716623066499. The next prime is 716623066541. The reversal of 716623066531 is 135660326617.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 716623066531 - 2⁵ = 716623066499 is a prime.

It is a super-2 number, since 2×716623066531² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (716623066541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358311533265 + 358311533266.

It is an arithmetic number, because the mean of its divisors is an integer number (358311533266).

Almost surely, 2^716623066531 is an apocalyptic number.

716623066531 is a deficient number, since it is larger than the sum of its proper divisors (1).

716623066531 is an equidigital number, since it uses as much as digits as its factorization.

716623066531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 716623066531 in words is "seven hundred sixteen billion, six hundred twenty-three million, sixty-six thousand, five hundred thirty-one".