16555106099 has 16 divisors (see below), whose sum is σ = 18982951680. Its totient is φ = 14143053600.

The previous prime is 16555106059. The next prime is 16555106101. The reversal of 16555106099 is 99060155561.

It is a cyclic number.

It is not a de Polignac number, because 16555106099 - 2⁸ = 16555105843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16555106059) 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, 2826524 + ... + 2832374.

It is an arithmetic number, because the mean of its divisors is an integer number (1186434480).

Almost surely, 2^16555106099 is an apocalyptic number.

16555106099 is a deficient number, since it is larger than the sum of its proper divisors (2427845581).

16555106099 is an equidigital number, since it uses as much as digits as its factorization.

16555106099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130.

The product of its (nonzero) digits is 364500, while the sum is 47.

The spelling of 16555106099 in words is "sixteen billion, five hundred fifty-five million, one hundred six thousand, ninety-nine".