6665374542194 has 32 divisors (see below), whose sum is σ = 10230403835520. Its totient is φ = 3256238938752.

The previous prime is 6665374542181. The next prime is 6665374542199. The reversal of 6665374542194 is 4912454735666.

It is not an unprimeable number, because it can be changed into a prime (6665374542199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6388364 + ... + 7358120.

It is an arithmetic number, because the mean of its divisors is an integer number (319700119860).

Almost surely, 2^{6665374542194} is an apocalyptic number.

6665374542194 is a deficient number, since it is larger than the sum of its proper divisors (3565029293326).

6665374542194 is a wasteful number, since it uses less digits than its factorization.

6665374542194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970274.

The product of its digits is 130636800, while the sum is 62.

The spelling of 6665374542194 in words is "six trillion, six hundred sixty-five billion, three hundred seventy-four million, five hundred forty-two thousand, one hundred ninety-four".