16409330688 has 176 divisors, whose sum is σ = 46377880064. Its totient is φ = 5149163520.

The previous prime is 16409330687. The next prime is 16409330701. The reversal of 16409330688 is 88603390461.

It is a super-2 number, since 2×16409330688² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (16409330687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3521256 + ... + 3525912.

Almost surely, 2^16409330688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16409330688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23188940032).

16409330688 is an abundant number, since it is smaller than the sum of its proper divisors (29968549376).

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

16409330688 is a wasteful number, since it uses less digits than its factorization.

16409330688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748 (or 4730 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 16409330688 in words is "sixteen billion, four hundred nine million, three hundred thirty thousand, six hundred eighty-eight".