342255606611666 has 32 divisors (see below), whose sum is σ = 578819966238720. Its totient is φ = 150370273040400.

The previous prime is 342255606611647. The next prime is 342255606611707. The reversal of 342255606611666 is 666116606552243.

It is a happy number.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302846546 + ... + 303974573.

It is an arithmetic number, because the mean of its divisors is an integer number (18088123944960).

Almost surely, 2^{342255606611666} is an apocalyptic number.

342255606611666 is a deficient number, since it is larger than the sum of its proper divisors (236564359627054).

342255606611666 is a wasteful number, since it uses less digits than its factorization.

342255606611666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606821990.

The product of its (nonzero) digits is 55987200, while the sum is 59.

The spelling of 342255606611666 in words is "three hundred forty-two trillion, two hundred fifty-five billion, six hundred six million, six hundred eleven thousand, six hundred sixty-six".