16715948225 has 6 divisors (see below), whose sum is σ = 20727775830. Its totient is φ = 13372758560.

The previous prime is 16715948189. The next prime is 16715948237. The reversal of 16715948225 is 52284951761.

It can be written as a sum of positive squares in 3 ways, for example, as 827597824 + 15888350401 = 28768^2 + 126049^2 .

It is not a de Polignac number, because 16715948225 - 2¹² = 16715944129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 334318940 + ... + 334318989.

It is an arithmetic number, because the mean of its divisors is an integer number (3454629305).

Almost surely, 2^16715948225 is an apocalyptic number.

It is an amenable number.

16715948225 is a deficient number, since it is larger than the sum of its proper divisors (4011827605).

16715948225 is an equidigital number, since it uses as much as digits as its factorization.

16715948225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668637939 (or 668637934 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 50.

The spelling of 16715948225 in words is "sixteen billion, seven hundred fifteen million, nine hundred forty-eight thousand, two hundred twenty-five".