343660212602666 has 32 divisors (see below), whose sum is σ = 533775664297728. Its totient is φ = 165837535315200.

The previous prime is 343660212602647. The next prime is 343660212602669. The reversal of 343660212602666 is 666206212066343.

It is a happy number.

It is a super-2 number, since 2×343660212602666² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (343660212602669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29702366 + ... + 39617558.

It is an arithmetic number, because the mean of its divisors is an integer number (16680489509304).

Almost surely, 2^{343660212602666} is an apocalyptic number.

343660212602666 is a deficient number, since it is larger than the sum of its proper divisors (190115451695062).

343660212602666 is a wasteful number, since it uses less digits than its factorization.

343660212602666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9920366.

The product of its (nonzero) digits is 13436928, while the sum is 53.

The spelling of 343660212602666 in words is "three hundred forty-three trillion, six hundred sixty billion, two hundred twelve million, six hundred two thousand, six hundred sixty-six".