16055783520 has 384 divisors, whose sum is σ = 59527996416. Its totient is φ = 3561947136.

The previous prime is 16055783507. The next prime is 16055783521. The reversal of 16055783520 is 2538755061.

It is a super-2 number, since 2×16055783520² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16055783521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16433272 + ... + 16434248.

It is an arithmetic number, because the mean of its divisors is an integer number (155020824).

Almost surely, 2^16055783520 is an apocalyptic number.

16055783520 is a gapful number since it is divisible by the number (10) 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 16055783520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29763998208).

16055783520 is an abundant number, since it is smaller than the sum of its proper divisors (43472212896).

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

16055783520 is a wasteful number, since it uses less digits than its factorization.

16055783520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 16055783520 in words is "sixteen billion, fifty-five million, seven hundred eighty-three thousand, five hundred twenty".