16841550625 has 45 divisors (see below), whose sum is σ = 21918367471. Its totient is φ = 12935972000.

The previous prime is 16841550617. The next prime is 16841550641. The reversal of 16841550625 is 52605514861.

The square root of 16841550625 is 129775.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 12596246289 + 4245304336 = 112233^2 + 65156^2 .

It is not a de Polignac number, because 16841550625 - 2³ = 16841550617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 94086786 + ... + 94086964.

Almost surely, 2^16841550625 is an apocalyptic number.

16841550625 is the 129775-th square number.

16841550625 is the 64888-th centered octagonal number.

It is an amenable number.

16841550625 is a deficient number, since it is larger than the sum of its proper divisors (5076816846).

16841550625 is an frugal number, since it uses more digits than its factorization.

16841550625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 16841550625 in words is "sixteen billion, eight hundred forty-one million, five hundred fifty thousand, six hundred twenty-five".