2116116371 has 4 divisors (see below), whose sum is σ = 2119357632. Its totient is φ = 2112875112.

The previous prime is 2116116281. The next prime is 2116116377. The reversal of 2116116371 is 1736116112.

It is a happy number.

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 2116116371 - 2¹⁰ = 2116115347 is a prime.

It is a super-2 number, since 2×2116116371² = 8955896991228419282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116116377) 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, 1619651 + ... + 1620956.

It is an arithmetic number, because the mean of its divisors is an integer number (529839408).

Almost surely, 2^2116116371 is an apocalyptic number.

2116116371 is a deficient number, since it is larger than the sum of its proper divisors (3241261).

2116116371 is an equidigital number, since it uses as much as digits as its factorization.

2116116371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241260.

The product of its digits is 1512, while the sum is 29.

The square root of 2116116371 is about 46001.2648847833. The cubic root of 2116116371 is about 1283.8467391063.

The spelling of 2116116371 in words is "two billion, one hundred sixteen million, one hundred sixteen thousand, three hundred seventy-one".