2116772626 has 8 divisors (see below), whose sum is σ = 3175772940. Its totient is φ = 1058181648.

The previous prime is 2116772621. The next prime is 2116772657. The reversal of 2116772626 is 6262776112.

It can be written as a sum of positive squares in 2 ways, for example, as 2116092001 + 680625 = 46001^2 + 825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2116772621) 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, 89061 + ... + 110296.

Almost surely, 2^2116772626 is an apocalyptic number.

2116772626 is a deficient number, since it is larger than the sum of its proper divisors (1059000314).

2116772626 is a wasteful number, since it uses less digits than its factorization.

2116772626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204668.

The product of its digits is 84672, while the sum is 40.

The square root of 2116772626 is about 46008.3973422244. The cubic root of 2116772626 is about 1283.9794419155.

The spelling of 2116772626 in words is "two billion, one hundred sixteen million, seven hundred seventy-two thousand, six hundred twenty-six".