6668066734 has 16 divisors (see below), whose sum is σ = 11709776736. Its totient is φ = 2788041600.

The previous prime is 6668066731. The next prime is 6668066747. The reversal of 6668066734 is 4376608666.

It is a super-2 number, since 2×6668066734² = 88926227938154853512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668066731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5807847 + ... + 5808994.

It is an arithmetic number, because the mean of its divisors is an integer number (731861046).

Almost surely, 2^6668066734 is an apocalyptic number.

6668066734 is a deficient number, since it is larger than the sum of its proper divisors (5041710002).

6668066734 is a wasteful number, since it uses less digits than its factorization.

6668066734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11616891.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The square root of 6668066734 is about 81658.2312691133. The cubic root of 6668066734 is about 1882.2037999204.

The spelling of 6668066734 in words is "six billion, six hundred sixty-eight million, sixty-six thousand, seven hundred thirty-four".