680156858315 has 64 divisors (see below), whose sum is σ = 954436608000. Its totient is φ = 460097988480.

The previous prime is 680156858287. The next prime is 680156858317. The reversal of 680156858315 is 513858651086.

It is a de Polignac number, because none of the positive numbers 2^k-680156858315 is a prime.

It is a super-2 number, since 2×680156858315² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (680156858317) 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 63 ways as a sum of consecutive naturals, for example, 14754332 + ... + 14800358.

It is an arithmetic number, because the mean of its divisors is an integer number (14913072000).

Almost surely, 2^680156858315 is an apocalyptic number.

680156858315 is a deficient number, since it is larger than the sum of its proper divisors (274279749685).

680156858315 is a wasteful number, since it uses less digits than its factorization.

680156858315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46320.

The product of its (nonzero) digits is 6912000, while the sum is 56.

The spelling of 680156858315 in words is "six hundred eighty billion, one hundred fifty-six million, eight hundred fifty-eight thousand, three hundred fifteen".