6666704010091 has 8 divisors (see below), whose sum is σ = 6764807160224. Its totient is φ = 6568784061120.

The previous prime is 6666704010059. The next prime is 6666704010121. The reversal of 6666704010091 is 1900104076666.

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

It is a cyclic number.

It is not a de Polignac number, because 6666704010091 - 2⁵ = 6666704010059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6666704010041) 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, 45726975 + ... + 45872536.

It is an arithmetic number, because the mean of its divisors is an integer number (845600895028).

Almost surely, 2^{6666704010091} is an apocalyptic number.

6666704010091 is a deficient number, since it is larger than the sum of its proper divisors (98103150133).

6666704010091 is an equidigital number, since it uses as much as digits as its factorization.

6666704010091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91600581.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 6666704010091 in words is "six trillion, six hundred sixty-six billion, seven hundred four million, ten thousand, ninety-one".