16625049 has 16 divisors (see below), whose sum is σ = 25952640. Its totient is φ = 9267840.

The previous prime is 16625029. The next prime is 16625053. The reversal of 16625049 is 94052661.

It is not a de Polignac number, because 16625049 - 2⁹ = 16624537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16625009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8794 + ... + 10515.

It is an arithmetic number, because the mean of its divisors is an integer number (1622040).

Almost surely, 2^16625049 is an apocalyptic number.

It is an amenable number.

16625049 is a deficient number, since it is larger than the sum of its proper divisors (9327591).

16625049 is a wasteful number, since it uses less digits than its factorization.

16625049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19360.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 16625049 is about 4077.3826163361. The cubic root of 16625049 is about 255.2236868457.

The spelling of 16625049 in words is "sixteen million, six hundred twenty-five thousand, forty-nine".