6316487861856 has 24 divisors (see below), whose sum is σ = 16580780637624. Its totient is φ = 2105495953920.

The previous prime is 6316487861821. The next prime is 6316487861909. The reversal of 6316487861856 is 6581687846136.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32898374185 + ... + 32898374376.

It is an arithmetic number, because the mean of its divisors is an integer number (690865859901).

Almost surely, 2^{6316487861856} is an apocalyptic number.

It is an amenable number.

6316487861856 is an abundant number, since it is smaller than the sum of its proper divisors (10264292775768).

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

6316487861856 is a wasteful number, since it uses less digits than its factorization.

6316487861856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65796748574 (or 65796748566 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 69.

The spelling of 6316487861856 in words is "six trillion, three hundred sixteen billion, four hundred eighty-seven million, eight hundred sixty-one thousand, eight hundred fifty-six".