2160766 has 4 divisors (see below), whose sum is σ = 3241152. Its totient is φ = 1080382.

The previous prime is 2160749. The next prime is 2160773. The reversal of 2160766 is 6670612.

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

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, 540190 + ... + 540193.

It is an arithmetic number, because the mean of its divisors is an integer number (810288).

2^2160766 is an apocalyptic number.

2160766 is a deficient number, since it is larger than the sum of its proper divisors (1080386).

2160766 is a wasteful number, since it uses less digits than its factorization.

2160766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080385.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2160766 is about 1469.9544210621. The cubic root of 2160766 is about 129.2813601235.

It can be divided in two parts, 2160 and 766, that added together give a triangular number (2926 = T₇₆).

The spelling of 2160766 in words is "two million, one hundred sixty thousand, seven hundred sixty-six".