16864014528 has 168 divisors, whose sum is σ = 51052750320. Its totient is φ = 5307586560.

The previous prime is 16864014491. The next prime is 16864014553. The reversal of 16864014528 is 82541046861.

It is a happy number.

16864014528 is a `hidden beast` number, since 1 + 6 + 86 + 40 + 1 + 4 + 528 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3466818 + ... + 3471678.

Almost surely, 2^16864014528 is an apocalyptic number.

16864014528 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 16864014528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25526375160).

16864014528 is an abundant number, since it is smaller than the sum of its proper divisors (34188735792).

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

16864014528 is a wasteful number, since it uses less digits than its factorization.

16864014528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5215 (or 5202 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 16864014528 in words is "sixteen billion, eight hundred sixty-four million, fourteen thousand, five hundred twenty-eight".