2116256616073 has 4 divisors (see below), whose sum is σ = 2119527492480. Its totient is φ = 2112985739668.

The previous prime is 2116256615927. The next prime is 2116256616079. The reversal of 2116256616073 is 3706166526112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2116256616073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116256616079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1635437233 + ... + 1635438526.

It is an arithmetic number, because the mean of its divisors is an integer number (529881873120).

Almost surely, 2^{2116256616073} is an apocalyptic number.

It is an amenable number.

2116256616073 is a deficient number, since it is larger than the sum of its proper divisors (3270876407).

2116256616073 is an equidigital number, since it uses as much as digits as its factorization.

2116256616073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270876406.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 2116256616073 in words is "two trillion, one hundred sixteen billion, two hundred fifty-six million, six hundred sixteen thousand, seventy-three".