686180072514 has 32 divisors (see below), whose sum is σ = 1382232600000. Its totient is φ = 227082753344.

The previous prime is 686180072443. The next prime is 686180072561. The reversal of 686180072514 is 415270081686.

686180072514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1693672 + ... + 2059340.

It is an arithmetic number, because the mean of its divisors is an integer number (43194768750).

Almost surely, 2^686180072514 is an apocalyptic number.

686180072514 is an abundant number, since it is smaller than the sum of its proper divisors (696052527486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

686180072514 is a wasteful number, since it uses less digits than its factorization.

686180072514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367922.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 686180072514 in words is "six hundred eighty-six billion, one hundred eighty million, seventy-two thousand, five hundred fourteen".