7666665674 has 8 divisors (see below), whose sum is σ = 11694913920. Its totient is φ = 3768361036.

The previous prime is 7666665637. The next prime is 7666665683. The reversal of 7666665674 is 4765666667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32485754 + ... + 32485989.

It is an arithmetic number, because the mean of its divisors is an integer number (1461864240).

Almost surely, 2^7666665674 is an apocalyptic number.

7666665674 is a deficient number, since it is larger than the sum of its proper divisors (4028248246).

7666665674 is a wasteful number, since it uses less digits than its factorization.

7666665674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64971804.

The product of its digits is 45722880, while the sum is 59.

The square root of 7666665674 is about 87559.4979085650. The cubic root of 7666665674 is about 1971.8271481306.

The spelling of 7666665674 in words is "seven billion, six hundred sixty-six million, six hundred sixty-five thousand, six hundred seventy-four".