507368516691 has 16 divisors (see below), whose sum is σ = 680737173408. Its totient is φ = 336129024000.

The previous prime is 507368516659. The next prime is 507368516719. The reversal of 507368516691 is 196615863705.

It is not a de Polignac number, because 507368516691 - 2⁵ = 507368516659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (507368516621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456960 + ... + 1106141.

It is an arithmetic number, because the mean of its divisors is an integer number (42546073338).

Almost surely, 2^507368516691 is an apocalyptic number.

507368516691 is a deficient number, since it is larger than the sum of its proper divisors (173368656717).

507368516691 is a wasteful number, since it uses less digits than its factorization.

507368516691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563782.

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 507368516691 in words is "five hundred seven billion, three hundred sixty-eight million, five hundred sixteen thousand, six hundred ninety-one".