16452999 has 12 divisors (see below), whose sum is σ = 23868000. Its totient is φ = 10921344.

The previous prime is 16452983. The next prime is 16453037. The reversal of 16452999 is 99925461.

It is not a de Polignac number, because 16452999 - 2⁴ = 16452983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16452299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1674 + ... + 5975.

It is an arithmetic number, because the mean of its divisors is an integer number (1989000).

Almost surely, 2^16452999 is an apocalyptic number.

16452999 is a deficient number, since it is larger than the sum of its proper divisors (7415001).

16452999 is a wasteful number, since it uses less digits than its factorization.

16452999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7894 (or 7891 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 16452999 is about 4056.2296532618. The cubic root of 16452999 is about 254.3402089668.

The spelling of 16452999 in words is "sixteen million, four hundred fifty-two thousand, nine hundred ninety-nine".