16027400680 has 16 divisors (see below), whose sum is σ = 36061651620. Its totient is φ = 6410960256.

The previous prime is 16027400663. The next prime is 16027400687. The reversal of 16027400680 is 8600472061.

It can be written as a sum of positive squares in 2 ways, for example, as 15161981956 + 865418724 = 123134^2 + 29418^2 .

It is not an unprimeable number, because it can be changed into a prime (16027400687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200342469 + ... + 200342548.

Almost surely, 2^16027400680 is an apocalyptic number.

16027400680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16027400680 is an abundant number, since it is smaller than the sum of its proper divisors (20034250940).

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

16027400680 is a wasteful number, since it uses less digits than its factorization.

16027400680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400685028 (or 400685024 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 16027400680 in words is "sixteen billion, twenty-seven million, four hundred thousand, six hundred eighty".