2116766 has 4 divisors (see below), whose sum is σ = 3175152. Its totient is φ = 1058382.

The previous prime is 2116757. The next prime is 2116783. The reversal of 2116766 is 6676112.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529190 + ... + 529193.

It is an arithmetic number, because the mean of its divisors is an integer number (793788).

2^2116766 is an apocalyptic number.

2116766 is a deficient number, since it is larger than the sum of its proper divisors (1058386).

2116766 is a wasteful number, since it uses less digits than its factorization.

2116766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058385.

The product of its digits is 3024, while the sum is 29.

The square root of 2116766 is about 1454.9109938412. The cubic root of 2116766 is about 128.3978102194.

It can be divided in two parts, 2116 and 766, that added together give a palindrome (2882).

The spelling of 2116766 in words is "two million, one hundred sixteen thousand, seven hundred sixty-six".