16220524320 has 1536 divisors, whose sum is σ = 79334277120. Its totient is φ = 3010867200.

The previous prime is 16220524273. The next prime is 16220524361. The reversal of 16220524320 is 2342502261.

It is a happy number.

16220524320 is a `hidden beast` number, since 1 + 6 + 220 + 5 + 2 + 432 + 0 = 666.

It is a super-2 number, since 2×16220524320² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 523242705 + ... + 523242735.

It is an arithmetic number, because the mean of its divisors is an integer number (51649920).

Almost surely, 2^16220524320 is an apocalyptic number.

16220524320 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 16220524320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39667138560).

16220524320 is an abundant number, since it is smaller than the sum of its proper divisors (63113752800).

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

16220524320 is a wasteful number, since it uses less digits than its factorization.

16220524320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The spelling of 16220524320 in words is "sixteen billion, two hundred twenty million, five hundred twenty-four thousand, three hundred twenty".