16056638928 has 240 divisors, whose sum is σ = 51542165376. Its totient is φ = 4618690560.

The previous prime is 16056638911. The next prime is 16056638947. The reversal of 16056638928 is 82983665061.

It is a happy number.

16056638928 is a `hidden beast` number, since 1 + 605 + 6 + 6 + 3 + 8 + 9 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4989576 + ... + 4992792.

Almost surely, 2^16056638928 is an apocalyptic number.

16056638928 is a gapful number since it is divisible by the number (18) 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 16056638928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25771082688).

16056638928 is an abundant number, since it is smaller than the sum of its proper divisors (35485526448).

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

16056638928 is a wasteful number, since it uses less digits than its factorization.

16056638928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402 (or 3393 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 16056638928 in words is "sixteen billion, fifty-six million, six hundred thirty-eight thousand, nine hundred twenty-eight".