142321413603666 has 16 divisors (see below), whose sum is σ = 310519447862688. Its totient is φ = 43127701092000.

The previous prime is 142321413603659. The next prime is 142321413603727. The reversal of 142321413603666 is 666306314123241.

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, 1078192527235 + ... + 1078192527366.

It is an arithmetic number, because the mean of its divisors is an integer number (19407465491418).

Almost surely, 2^{142321413603666} is an apocalyptic number.

142321413603666 is an abundant number, since it is smaller than the sum of its proper divisors (168198034259022).

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

142321413603666 is a wasteful number, since it uses less digits than its factorization.

142321413603666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156385054617.

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 142321413603666 in words is "one hundred forty-two trillion, three hundred twenty-one billion, four hundred thirteen million, six hundred three thousand, six hundred sixty-six".