16599790079 has 4 divisors (see below), whose sum is σ = 16705521384. Its totient is φ = 16494058776.

The previous prime is 16599790033. The next prime is 16599790139. The reversal of 16599790079 is 97009799561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97009799561 = 22637 ⋅4285453.

It is a cyclic number.

It is not a de Polignac number, because 16599790079 - 2⁸ = 16599789823 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 (16599790019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52865417 + ... + 52865730.

It is an arithmetic number, because the mean of its divisors is an integer number (4176380346).

Almost surely, 2^16599790079 is an apocalyptic number.

16599790079 is a deficient number, since it is larger than the sum of its proper divisors (105731305).

16599790079 is a wasteful number, since it uses less digits than its factorization.

16599790079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105731304.

The product of its (nonzero) digits is 9644670, while the sum is 62.

The spelling of 16599790079 in words is "sixteen billion, five hundred ninety-nine million, seven hundred ninety thousand, seventy-nine".