2116768 has 24 divisors (see below), whose sum is σ = 4312980. Its totient is φ = 1021440.

The previous prime is 2116757. The next prime is 2116783. The reversal of 2116768 is 8676112.

It can be written as a sum of positive squares in 2 ways, for example, as 2108304 + 8464 = 1452^2 + 92^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213 + ... + 2068.

2^2116768 is an apocalyptic number.

It is an amenable number.

2116768 is an abundant number, since it is smaller than the sum of its proper divisors (2196212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2116768 is a wasteful number, since it uses less digits than its factorization.

2116768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320 (or 2312 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 2116768 is about 1454.9116811683. The cubic root of 2116768 is about 128.3978506578.

The spelling of 2116768 in words is "two million, one hundred sixteen thousand, seven hundred sixty-eight".