16550614225 has 24 divisors (see below), whose sum is σ = 20854508480. Its totient is φ = 13028109120.

The previous prime is 16550614217. The next prime is 16550614247. The reversal of 16550614225 is 52241605561.

It is not a de Polignac number, because 16550614225 - 2³ = 16550614217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383806 + ... + 424744.

Almost surely, 2^16550614225 is an apocalyptic number.

It is an amenable number.

16550614225 is a deficient number, since it is larger than the sum of its proper divisors (4303894255).

16550614225 is a wasteful number, since it uses less digits than its factorization.

16550614225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41209 (or 41204 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 16550614225 in words is "sixteen billion, five hundred fifty million, six hundred fourteen thousand, two hundred twenty-five".