316661342757 has 4 divisors (see below), whose sum is σ = 422215123680. Its totient is φ = 211107561836.

The previous prime is 316661342743. The next prime is 316661342819. The reversal of 316661342757 is 757243166613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 316661342757 - 2⁶ = 316661342693 is a prime.

It is a super-2 number, since 2×316661342757² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316661340757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52776890457 + ... + 52776890462.

It is an arithmetic number, because the mean of its divisors is an integer number (105553780920).

Almost surely, 2^316661342757 is an apocalyptic number.

It is an amenable number.

316661342757 is a deficient number, since it is larger than the sum of its proper divisors (105553780923).

316661342757 is a wasteful number, since it uses less digits than its factorization.

316661342757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105553780922.

The product of its digits is 3810240, while the sum is 51.

The spelling of 316661342757 in words is "three hundred sixteen billion, six hundred sixty-one million, three hundred forty-two thousand, seven hundred fifty-seven".