16055216400 has 60 divisors (see below), whose sum is σ = 51430213712. Its totient is φ = 4281390720.

The previous prime is 16055216399. The next prime is 16055216431. The reversal of 16055216400 is 461255061.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6688474 + ... + 6690873.

Almost surely, 2^16055216400 is an apocalyptic number.

16055216400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16055216400 is an abundant number, since it is smaller than the sum of its proper divisors (35374997312).

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

16055216400 is a wasteful number, since it uses less digits than its factorization.

16055216400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13379368 (or 13379357 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 16055216400 in words is "sixteen billion, fifty-five million, two hundred sixteen thousand, four hundred".