13850001680 has 20 divisors (see below), whose sum is σ = 32201254092. Its totient is φ = 5540000640.

The previous prime is 13850001673. The next prime is 13850001769. The reversal of 13850001680 is 8610005831.

It can be written as a sum of positive squares in 2 ways, for example, as 6503454736 + 7346546944 = 80644^2 + 85712^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 86562431 + ... + 86562590.

Almost surely, 2^13850001680 is an apocalyptic number.

13850001680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13850001680 is an abundant number, since it is smaller than the sum of its proper divisors (18351252412).

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

13850001680 is a wasteful number, since it uses less digits than its factorization.

13850001680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173125034 (or 173125028 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 13850001680 in words is "thirteen billion, eight hundred fifty million, one thousand, six hundred eighty".