16634613330 has 128 divisors (see below), whose sum is σ = 46011801600. Its totient is φ = 4272004800.

The previous prime is 16634613329. The next prime is 16634613343. The reversal of 16634613330 is 3331643661.

16634613330 is a `hidden beast` number, since 1 + 6 + 6 + 3 + 4 + 613 + 3 + 30 = 666.

It is a super-2 number, since 2×16634613330² (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 63 ways as a sum of consecutive naturals, for example, 1761361 + ... + 1770779.

It is an arithmetic number, because the mean of its divisors is an integer number (359467200).

Almost surely, 2^16634613330 is an apocalyptic number.

16634613330 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 16634613330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23005900800).

16634613330 is an abundant number, since it is smaller than the sum of its proper divisors (29377188270).

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

16634613330 is a wasteful number, since it uses less digits than its factorization.

16634613330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9677 (or 9671 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The spelling of 16634613330 in words is "sixteen billion, six hundred thirty-four million, six hundred thirteen thousand, three hundred thirty".