16089017856 has 80 divisors (see below), whose sum is σ = 44244930048. Its totient is φ = 5189990400.

The previous prime is 16089017831. The next prime is 16089017873. The reversal of 16089017856 is 65871098061.

It is a junction number, because it is equal to n+sod(n) for n = 16089017799 and 16089017808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121330 + ... + 216561.

Almost surely, 2^16089017856 is an apocalyptic number.

16089017856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16089017856 is an abundant number, since it is smaller than the sum of its proper divisors (28155912192).

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

16089017856 is an equidigital number, since it uses as much as digits as its factorization.

16089017856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337943 (or 337927 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The spelling of 16089017856 in words is "sixteen billion, eighty-nine million, seventeen thousand, eight hundred fifty-six".