16915668930 has 96 divisors (see below), whose sum is σ = 44369410176. Its totient is φ = 4471137792.

The previous prime is 16915668919. The next prime is 16915668937. The reversal of 16915668930 is 3986651961.

It is a super-2 number, since 2×16915668930² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16915668937) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6350779 + ... + 6353441.

It is an arithmetic number, because the mean of its divisors is an integer number (462181356).

Almost surely, 2^16915668930 is an apocalyptic number.

16915668930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16915668930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22184705088).

16915668930 is an abundant number, since it is smaller than the sum of its proper divisors (27453741246).

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

16915668930 is a wasteful number, since it uses less digits than its factorization.

16915668930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272 (or 3269 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 16915668930 in words is "sixteen billion, nine hundred fifteen million, six hundred sixty-eight thousand, nine hundred thirty".