16947312325 has 24 divisors (see below), whose sum is σ = 22288305600. Its totient is φ = 12738835200.

The previous prime is 16947312307. The next prime is 16947312367. The reversal of 16947312325 is 52321374961.

It is not a de Polignac number, because 16947312325 - 2⁷ = 16947312197 is a prime.

It is a super-2 number, since 2×16947312325² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221290 + ... + 287860.

It is an arithmetic number, because the mean of its divisors is an integer number (928679400).

Almost surely, 2^16947312325 is an apocalyptic number.

It is an amenable number.

16947312325 is a deficient number, since it is larger than the sum of its proper divisors (5340993275).

16947312325 is a wasteful number, since it uses less digits than its factorization.

16947312325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67197 (or 67192 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The spelling of 16947312325 in words is "sixteen billion, nine hundred forty-seven million, three hundred twelve thousand, three hundred twenty-five".