16552656999 has 12 divisors (see below), whose sum is σ = 24360514776. Its totient is φ = 10826894832.

The previous prime is 16552656983. The next prime is 16552657001. The reversal of 16552656999 is 99965625561.

16552656999 is a `hidden beast` number, since 1 + 65 + 5 + 2 + 6 + 569 + 9 + 9 = 666.

It is not a de Polignac number, because 16552656999 - 2⁴ = 16552656983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16552658999) 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, 17350317 + ... + 17351270.

It is an arithmetic number, because the mean of its divisors is an integer number (2030042898).

Almost surely, 2^16552656999 is an apocalyptic number.

16552656999 is a deficient number, since it is larger than the sum of its proper divisors (7807857777).

16552656999 is a wasteful number, since it uses less digits than its factorization.

16552656999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34701646 (or 34701643 counting only the distinct ones).

The product of its digits is 39366000, while the sum is 63.

The spelling of 16552656999 in words is "sixteen billion, five hundred fifty-two million, six hundred fifty-six thousand, nine hundred ninety-nine".