666141236160382 has 4 divisors (see below), whose sum is σ = 999211854240576. Its totient is φ = 333070618080190.

The previous prime is 666141236160161. The next prime is 666141236160391. The reversal of 666141236160382 is 283061632141666.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166535309040094 + ... + 166535309040097.

It is an arithmetic number, because the mean of its divisors is an integer number (249802963560144).

Almost surely, 2^{666141236160382} is an apocalyptic number.

666141236160382 is a deficient number, since it is larger than the sum of its proper divisors (333070618080194).

666141236160382 is a wasteful number, since it uses less digits than its factorization.

666141236160382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333070618080193.

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 666141236160382 in words is "six hundred sixty-six trillion, one hundred forty-one billion, two hundred thirty-six million, one hundred sixty thousand, three hundred eighty-two".