142354555115666 has 16 divisors (see below), whose sum is σ = 220420637606400. Its totient is φ = 68881023440640.

The previous prime is 142354555115627. The next prime is 142354555115683. The reversal of 142354555115666 is 666511555453241.

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, 17689010 + ... + 24446066.

It is an arithmetic number, because the mean of its divisors is an integer number (13776289850400).

Almost surely, 2^{142354555115666} is an apocalyptic number.

142354555115666 is a deficient number, since it is larger than the sum of its proper divisors (78066082490734).

142354555115666 is a wasteful number, since it uses less digits than its factorization.

142354555115666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7096889.

The product of its digits is 64800000, while the sum is 59.

The spelling of 142354555115666 in words is "one hundred forty-two trillion, three hundred fifty-four billion, five hundred fifty-five million, one hundred fifteen thousand, six hundred sixty-six".