6666754674 has 16 divisors (see below), whose sum is σ = 13335337440. Its totient is φ = 2221946880.

The previous prime is 6666754657. The next prime is 6666754681. The reversal of 6666754674 is 4764576666.

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, 26244 + ... + 118415.

It is an arithmetic number, because the mean of its divisors is an integer number (833458590).

Almost surely, 2^6666754674 is an apocalyptic number.

6666754674 is an abundant number, since it is smaller than the sum of its proper divisors (6668582766).

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

6666754674 is a wasteful number, since it uses less digits than its factorization.

6666754674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152345.

The product of its digits is 30481920, while the sum is 57.

The square root of 6666754674 is about 81650.1970236447. The cubic root of 6666754674 is about 1882.0803395328.

The spelling of 6666754674 in words is "six billion, six hundred sixty-six million, seven hundred fifty-four thousand, six hundred seventy-four".