16995385280 has 28 divisors (see below), whose sum is σ = 40470261960. Its totient is φ = 6798153984.

The previous prime is 16995385279. The next prime is 16995385327. The reversal of 16995385280 is 8258359961.

It is a zygodrome in base 4.

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, 26554970 + ... + 26555609.

Almost surely, 2^16995385280 is an apocalyptic number.

16995385280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16995385280 is an abundant number, since it is smaller than the sum of its proper divisors (23474876680).

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

16995385280 is an equidigital number, since it uses as much as digits as its factorization.

16995385280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53110596 (or 53110586 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 56.

The spelling of 16995385280 in words is "sixteen billion, nine hundred ninety-five million, three hundred eighty-five thousand, two hundred eighty".