13680256670 has 16 divisors (see below), whose sum is σ = 24669489168. Its totient is φ = 5462096640.

The previous prime is 13680256613. The next prime is 13680256673. The reversal of 13680256670 is 7665208631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13680256673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245011 + ... + 1255950.

It is an arithmetic number, because the mean of its divisors is an integer number (1541843073).

Almost surely, 2^13680256670 is an apocalyptic number.

13680256670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13680256670 is a deficient number, since it is larger than the sum of its proper divisors (10989232498).

13680256670 is a wasteful number, since it uses less digits than its factorization.

13680256670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501515.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 13680256670 in words is "thirteen billion, six hundred eighty million, two hundred fifty-six thousand, six hundred seventy".