16699883520 has 304 divisors, whose sum is σ = 55566033408. Its totient is φ = 4278190080.

The previous prime is 16699883491. The next prime is 16699883561. The reversal of 16699883520 is 2538899661.

It is a super-2 number, since 2×16699883520² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121896892 + ... + 121897028.

Almost surely, 2^16699883520 is an apocalyptic number.

16699883520 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 16699883520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27783016704).

16699883520 is an abundant number, since it is smaller than the sum of its proper divisors (38866149888).

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

16699883520 is an frugal number, since it uses more digits than its factorization.

16699883520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 16699883520 in words is "sixteen billion, six hundred ninety-nine million, eight hundred eighty-three thousand, five hundred twenty".