16055721056 has 24 divisors (see below), whose sum is σ = 31625422920. Its totient is φ = 8023867648.

The previous prime is 16055721007. The next prime is 16055721079. The reversal of 16055721056 is 65012755061.

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, 58901 + ... + 188628.

It is an arithmetic number, because the mean of its divisors is an integer number (1317725955).

Almost surely, 2^16055721056 is an apocalyptic number.

16055721056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16055721056 is a deficient number, since it is larger than the sum of its proper divisors (15569701864).

16055721056 is a wasteful number, since it uses less digits than its factorization.

16055721056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249566 (or 249558 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 16055721056 in words is "sixteen billion, fifty-five million, seven hundred twenty-one thousand, fifty-six".