344262161666 has 8 divisors (see below), whose sum is σ = 516416353740. Its totient is φ = 172123377088.

The previous prime is 344262161591. The next prime is 344262161689. The reversal of 344262161666 is 666161262443.

It can be written as a sum of positive squares in 2 ways, for example, as 334233140641 + 10029021025 = 578129^2 + 100145^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 344262161666.

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, 3795851 + ... + 3885486.

Almost surely, 2^344262161666 is an apocalyptic number.

344262161666 is a deficient number, since it is larger than the sum of its proper divisors (172154192074).

344262161666 is a wasteful number, since it uses less digits than its factorization.

344262161666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703748.

The product of its digits is 1492992, while the sum is 47.

The spelling of 344262161666 in words is "three hundred forty-four billion, two hundred sixty-two million, one hundred sixty-one thousand, six hundred sixty-six".