16280233632 has 384 divisors, whose sum is σ = 52510187520. Its totient is φ = 4877107200.

The previous prime is 16280233601. The next prime is 16280233661. The reversal of 16280233632 is 23633208261.

It is a happy number.

16280233632 is a `hidden beast` number, since 1 + 628 + 0 + 23 + 3 + 6 + 3 + 2 = 666.

It is a super-2 number, since 2×16280233632² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128190753 + ... + 128190879.

It is an arithmetic number, because the mean of its divisors is an integer number (136745280).

Almost surely, 2^16280233632 is an apocalyptic number.

16280233632 is a gapful number since it is divisible by the number (12) 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 16280233632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26255093760).

16280233632 is an abundant number, since it is smaller than the sum of its proper divisors (36229953888).

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

16280233632 is a wasteful number, since it uses less digits than its factorization.

16280233632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 16280233632 in words is "sixteen billion, two hundred eighty million, two hundred thirty-three thousand, six hundred thirty-two".