2106866764 has 24 divisors (see below), whose sum is σ = 3814207488. Its totient is φ = 1017240720.

The previous prime is 2106866753. The next prime is 2106866789. The reversal of 2106866764 is 4676686012.

It is a super-2 number, since 2×2106866764² = 8877775122495663392, which contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 39717 + ... + 76099.

It is an arithmetic number, because the mean of its divisors is an integer number (158925312).

Almost surely, 2^2106866764 is an apocalyptic number.

It is an amenable number.

2106866764 is a deficient number, since it is larger than the sum of its proper divisors (1707340724).

2106866764 is a wasteful number, since it uses less digits than its factorization.

2106866764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36885 (or 36883 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 2106866764 is about 45900.6183400616. The cubic root of 2106866764 is about 1281.9734297126.

The spelling of 2106866764 in words is "two billion, one hundred six million, eight hundred sixty-six thousand, seven hundred sixty-four".