16455346225 has 6 divisors (see below), whose sum is σ = 20404629350. Its totient is φ = 13164276960.

The previous prime is 16455346181. The next prime is 16455346273. The reversal of 16455346225 is 52264355461.

It can be written as a sum of positive squares in 3 ways, for example, as 192210496 + 16263135729 = 13864^2 + 127527^2 .

It is not a de Polignac number, because 16455346225 - 2²¹ = 16453249073 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, 329106900 + ... + 329106949.

Almost surely, 2^16455346225 is an apocalyptic number.

It is an amenable number.

16455346225 is a deficient number, since it is larger than the sum of its proper divisors (3949283125).

16455346225 is an equidigital number, since it uses as much as digits as its factorization.

16455346225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658213859 (or 658213854 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

The spelling of 16455346225 in words is "sixteen billion, four hundred fifty-five million, three hundred forty-six thousand, two hundred twenty-five".