26983161999 has 12 divisors (see below), whose sum is σ = 41027030200. Its totient is φ = 17041996944.

The previous prime is 26983161967. The next prime is 26983162001. The reversal of 26983161999 is 99916138962.

26983161999 is a `hidden beast` number, since 2 + 6 + 9 + 8 + 3 + 1 + 619 + 9 + 9 = 666.

It is not a de Polignac number, because 26983161999 - 2⁵ = 26983161967 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 (26983111999) 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, 78897964 + ... + 78898305.

Almost surely, 2^26983161999 is an apocalyptic number.

26983161999 is a deficient number, since it is larger than the sum of its proper divisors (14043868201).

26983161999 is a wasteful number, since it uses less digits than its factorization.

26983161999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157796294 (or 157796291 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 63.

The spelling of 26983161999 in words is "twenty-six billion, nine hundred eighty-three million, one hundred sixty-one thousand, nine hundred ninety-nine".