686900396160 has 192 divisors, whose sum is σ = 2587585253760. Its totient is φ = 166521292800.

The previous prime is 686900396141. The next prime is 686900396179. The reversal of 686900396160 is 61693009686.

686900396160 is a `hidden beast` number, since 6 + 8 + 6 + 90 + 0 + 396 + 160 = 666.

It is an interprime number because it is at equal distance from previous prime (686900396141) and next prime (686900396179).

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 686900396097 and 686900396106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5357256 + ... + 5483975.

It is an arithmetic number, because the mean of its divisors is an integer number (13477006530).

Almost surely, 2^686900396160 is an apocalyptic number.

686900396160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

686900396160 is an abundant number, since it is smaller than the sum of its proper divisors (1900684857600).

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

686900396160 is a wasteful number, since it uses less digits than its factorization.

686900396160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10841267 (or 10841252 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 686900396160 in words is "six hundred eighty-six billion, nine hundred million, three hundred ninety-six thousand, one hundred sixty".