16025649 has 8 divisors (see below), whose sum is σ = 21461760. Its totient is φ = 10636656.

The previous prime is 16025609. The next prime is 16025651. The reversal of 16025649 is 94652061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16025649 - 2⁸ = 16025393 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (16025609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10977 + ... + 12350.

It is an arithmetic number, because the mean of its divisors is an integer number (2682720).

Almost surely, 2^16025649 is an apocalyptic number.

It is an amenable number.

16025649 is a deficient number, since it is larger than the sum of its proper divisors (5436111).

16025649 is a wasteful number, since it uses less digits than its factorization.

16025649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23559.

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

The square root of 16025649 is about 4003.2048411242. The cubic root of 16025649 is about 252.1187869054.

The spelling of 16025649 in words is "sixteen million, twenty-five thousand, six hundred forty-nine".