860681634159402 has 24 divisors (see below), whose sum is σ = 2034338408013600. Its totient is φ = 260812616411880.

The previous prime is 860681634159341. The next prime is 860681634159469. The reversal of 860681634159402 is 204951436186068.

860681634159402 is a `hidden beast` number, since 8 + 6 + 0 + 6 + 8 + 1 + 6 + 34 + 1 + 594 + 0 + 2 = 666.

It is a super-2 number, since 2×860681634159402² (a number of 31 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 860681634159402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2173438469902 + ... + 2173438470297.

It is an arithmetic number, because the mean of its divisors is an integer number (84764100333900).

Almost surely, 2^{860681634159402} is an apocalyptic number.

860681634159402 is an abundant number, since it is smaller than the sum of its proper divisors (1173656773854198).

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

860681634159402 is a wasteful number, since it uses less digits than its factorization.

860681634159402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346876940218 (or 4346876940215 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 63.

The spelling of 860681634159402 in words is "eight hundred sixty trillion, six hundred eighty-one billion, six hundred thirty-four million, one hundred fifty-nine thousand, four hundred two".