716066376465541 has 4 divisors (see below), whose sum is σ = 722635792763500. Its totient is φ = 709496960167584.

The previous prime is 716066376465487. The next prime is 716066376465547. The reversal of 716066376465541 is 145564673660617.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 639406020217441 + 76660356248100 = 25286479^2 + 8755590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716066376465541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716066376465547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284708148816 + ... + 3284708149033.

It is an arithmetic number, because the mean of its divisors is an integer number (180658948190875).

Almost surely, 2^{716066376465541} is an apocalyptic number.

It is an amenable number.

716066376465541 is a deficient number, since it is larger than the sum of its proper divisors (6569416297959).

716066376465541 is a wasteful number, since it uses less digits than its factorization.

716066376465541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569416297958.

The product of its (nonzero) digits is 457228800, while the sum is 67.

The spelling of 716066376465541 in words is "seven hundred sixteen trillion, sixty-six billion, three hundred seventy-six million, four hundred sixty-five thousand, five hundred forty-one".