16457610225 has 24 divisors (see below), whose sum is σ = 31097047360. Its totient is φ = 7523478720.

The previous prime is 16457610161. The next prime is 16457610227. The reversal of 16457610225 is 52201675461.

It is not a de Polignac number, because 16457610225 - 2⁶ = 16457610161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16457610227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15673390 + ... + 15674439.

Almost surely, 2^16457610225 is an apocalyptic number.

16457610225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16457610225 is a deficient number, since it is larger than the sum of its proper divisors (14639437135).

16457610225 is a wasteful number, since it uses less digits than its factorization.

16457610225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31347849 (or 31347844 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 16457610225 in words is "sixteen billion, four hundred fifty-seven million, six hundred ten thousand, two hundred twenty-five".