657316075061 has 4 divisors (see below), whose sum is σ = 658735764672. Its totient is φ = 655896385452.

The previous prime is 657316075057. The next prime is 657316075069. The reversal of 657316075061 is 160570613756.

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 657316075061 - 2² = 657316075057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 657316074997 and 657316075015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (657316075069) 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, 709844111 + ... + 709845036.

It is an arithmetic number, because the mean of its divisors is an integer number (164683941168).

Almost surely, 2^657316075061 is an apocalyptic number.

It is an amenable number.

657316075061 is a deficient number, since it is larger than the sum of its proper divisors (1419689611).

657316075061 is a wasteful number, since it uses less digits than its factorization.

657316075061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419689610.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 657316075061 in words is "six hundred fifty-seven billion, three hundred sixteen million, seventy-five thousand, sixty-one".