16606699797 has 16 divisors (see below), whose sum is σ = 22479994880. Its totient is φ = 10902375792.

The previous prime is 16606699793. The next prime is 16606699807. The reversal of 16606699797 is 79799660661.

It is not a de Polignac number, because 16606699797 - 2² = 16606699793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16606699793) 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, 708654 + ... + 731712.

It is an arithmetic number, because the mean of its divisors is an integer number (1404999680).

Almost surely, 2^16606699797 is an apocalyptic number.

It is an amenable number.

16606699797 is a deficient number, since it is larger than the sum of its proper divisors (5873295083).

16606699797 is a wasteful number, since it uses less digits than its factorization.

16606699797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26712.

The product of its (nonzero) digits is 46294416, while the sum is 66.

The spelling of 16606699797 in words is "sixteen billion, six hundred six million, six hundred ninety-nine thousand, seven hundred ninety-seven".