16916542274279 has 4 divisors (see below), whose sum is σ = 16916568923640. Its totient is φ = 16916515624920.

The previous prime is 16916542274273. The next prime is 16916542274297. The reversal of 16916542274279 is 97247224561961.

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 16916542274279 - 2⁴⁰ = 15817030646503 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 (16916542274273) 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, 12348677 + ... + 13650014.

It is an arithmetic number, because the mean of its divisors is an integer number (4229142230910).

Almost surely, 2^{16916542274279} is an apocalyptic number.

16916542274279 is a deficient number, since it is larger than the sum of its proper divisors (26649361).

16916542274279 is an equidigital number, since it uses as much as digits as its factorization.

16916542274279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26649360.

The product of its digits is 91445760, while the sum is 65.

The spelling of 16916542274279 in words is "sixteen trillion, nine hundred sixteen billion, five hundred forty-two million, two hundred seventy-four thousand, two hundred seventy-nine".