7671351666 has 16 divisors (see below), whose sum is σ = 16737494688. Its totient is φ = 2324652000.

The previous prime is 7671351619. The next prime is 7671351679. The reversal of 7671351666 is 6661531767.

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, 58116235 + ... + 58116366.

It is an arithmetic number, because the mean of its divisors is an integer number (1046093418).

Almost surely, 2^7671351666 is an apocalyptic number.

7671351666 is an abundant number, since it is smaller than the sum of its proper divisors (9066143022).

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

7671351666 is a wasteful number, since it uses less digits than its factorization.

7671351666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116232617.

The product of its digits is 952560, while the sum is 48.

The square root of 7671351666 is about 87586.2527226733. The cubic root of 7671351666 is about 1972.2288040236.

The spelling of 7671351666 in words is "seven billion, six hundred seventy-one million, three hundred fifty-one thousand, six hundred sixty-six".