16055779824 has 360 divisors, whose sum is σ = 55015728768. Its totient is φ = 4518944640.

The previous prime is 16055779823. The next prime is 16055779841. The reversal of 16055779824 is 42897755061.

16055779824 is a `hidden beast` number, since 1 + 6 + 0 + 557 + 7 + 9 + 82 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16055779823) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13525759 + ... + 13526945.

Almost surely, 2^16055779824 is an apocalyptic number.

16055779824 is a gapful number since it is divisible by the number (14) 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 16055779824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27507864384).

16055779824 is an abundant number, since it is smaller than the sum of its proper divisors (38959948944).

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

16055779824 is a wasteful number, since it uses less digits than its factorization.

16055779824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 1270 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 16055779824 in words is "sixteen billion, fifty-five million, seven hundred seventy-nine thousand, eight hundred twenty-four".