16052253840 has 640 divisors, whose sum is σ = 68109926400. Its totient is φ = 3394068480.

The previous prime is 16052253827. The next prime is 16052253851. The reversal of 16052253840 is 4835225061.

16052253840 is a `hidden beast` number, since 1 + 6 + 0 + 522 + 53 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16052253795 and 16052253804.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10779816 + ... + 10781304.

It is an arithmetic number, because the mean of its divisors is an integer number (106421760).

Almost surely, 2^16052253840 is an apocalyptic number.

16052253840 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 16052253840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34054963200).

16052253840 is an abundant number, since it is smaller than the sum of its proper divisors (52057672560).

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

16052253840 is a wasteful number, since it uses less digits than its factorization.

16052253840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 16052253840 in words is "sixteen billion, fifty-two million, two hundred fifty-three thousand, eight hundred forty".