13346666680 has 32 divisors (see below), whose sum is σ = 31796472240. Its totient is φ = 5024627200.

The previous prime is 13346666659. The next prime is 13346666687. The reversal of 13346666680 is 8666664331.

It is a super-2 number, since 2×13346666680² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13346666687) 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, 9813046 + ... + 9814405.

Almost surely, 2^13346666680 is an apocalyptic number.

13346666680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13346666680 is an abundant number, since it is smaller than the sum of its proper divisors (18449805560).

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

13346666680 is a wasteful number, since it uses less digits than its factorization.

13346666680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19627479 (or 19627475 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 13346666680 in words is "thirteen billion, three hundred forty-six million, six hundred sixty-six thousand, six hundred eighty".