16090534656 has 504 divisors, whose sum is σ = 56031027360. Its totient is φ = 4514807808.

The previous prime is 16090534639. The next prime is 16090534687. The reversal of 16090534656 is 65643509061.

16090534656 is a `hidden beast` number, since 1 + 60 + 9 + 0 + 534 + 6 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 142394056 + ... + 142394168.

Almost surely, 2^16090534656 is an apocalyptic number.

16090534656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16090534656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28015513680).

16090534656 is an abundant number, since it is smaller than the sum of its proper divisors (39940492704).

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

16090534656 is an equidigital number, since it uses as much as digits as its factorization.

16090534656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 16090534656 in words is "sixteen billion, ninety million, five hundred thirty-four thousand, six hundred fifty-six".