16972909324 has 48 divisors (see below), whose sum is σ = 35075031040. Its totient is φ = 7032588480.

The previous prime is 16972909321. The next prime is 16972909367. The reversal of 16972909324 is 42390927961.

It is a happy number.

16972909324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16972909324² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16972909321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934522 + ... + 952510.

Almost surely, 2^16972909324 is an apocalyptic number.

16972909324 is a gapful number since it is divisible by the number (14) 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 16972909324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17537515520).

16972909324 is an abundant number, since it is smaller than the sum of its proper divisors (18102121716).

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

16972909324 is a wasteful number, since it uses less digits than its factorization.

16972909324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19118 (or 19116 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 16972909324 in words is "sixteen billion, nine hundred seventy-two million, nine hundred nine thousand, three hundred twenty-four".