2141057338666 has 8 divisors (see below), whose sum is σ = 3212513954244. Its totient is φ = 1070219353920.

The previous prime is 2141057338657. The next prime is 2141057338789. The reversal of 2141057338666 is 6668337501412.

It can be written as a sum of positive squares in 2 ways, for example, as 2069699436025 + 71357902641 = 1438645^2 + 267129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154649055 + ... + 154662898.

Almost surely, 2^{2141057338666} is an apocalyptic number.

2141057338666 is a deficient number, since it is larger than the sum of its proper divisors (1071456615578).

2141057338666 is a wasteful number, since it uses less digits than its factorization.

2141057338666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309315416.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 2141057338666 in words is "two trillion, one hundred forty-one billion, fifty-seven million, three hundred thirty-eight thousand, six hundred sixty-six".