2617121768 has 32 divisors (see below), whose sum is σ = 5027767200. Its totient is φ = 1276661568.

The previous prime is 2617121743. The next prime is 2617121809. The reversal of 2617121768 is 8671217162.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58655 + ... + 93137.

It is an arithmetic number, because the mean of its divisors is an integer number (157117725).

Almost surely, 2^2617121768 is an apocalyptic number.

It is an amenable number.

2617121768 is a deficient number, since it is larger than the sum of its proper divisors (2410645432).

2617121768 is a wasteful number, since it uses less digits than its factorization.

2617121768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34721 (or 34717 counting only the distinct ones).

The product of its digits is 56448, while the sum is 41.

The square root of 2617121768 is about 51157.8123848157. The cubic root of 2617121768 is about 1378.0806770524.

The spelling of 2617121768 in words is "two billion, six hundred seventeen million, one hundred twenty-one thousand, seven hundred sixty-eight".