916726271999 has 4 divisors (see below), whose sum is σ = 927026567280. Its totient is φ = 906425976720.

The previous prime is 916726271987. The next prime is 916726272013. The reversal of 916726271999 is 999172627619.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 916726271999 - 2²⁸ = 916457836543 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 (916726271939) 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, 5150147507 + ... + 5150147684.

It is an arithmetic number, because the mean of its divisors is an integer number (231756641820).

Almost surely, 2^916726271999 is an apocalyptic number.

916726271999 is a deficient number, since it is larger than the sum of its proper divisors (10300295281).

916726271999 is a wasteful number, since it uses less digits than its factorization.

916726271999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10300295280.

The product of its digits is 46294416, while the sum is 68.

The spelling of 916726271999 in words is "nine hundred sixteen billion, seven hundred twenty-six million, two hundred seventy-one thousand, nine hundred ninety-nine".