340260635666 has 32 divisors (see below), whose sum is σ = 591059566080. Its totient is φ = 143889408000.

The previous prime is 340260635641. The next prime is 340260635699. The reversal of 340260635666 is 666536062043.

It is a self number, because there is not a number n which added to its sum of digits gives 340260635666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1674626 + ... + 1866786.

It is an arithmetic number, because the mean of its divisors is an integer number (18470611440).

Almost surely, 2^340260635666 is an apocalyptic number.

340260635666 is a deficient number, since it is larger than the sum of its proper divisors (250798930414).

340260635666 is a wasteful number, since it uses less digits than its factorization.

340260635666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193850.

The product of its (nonzero) digits is 2799360, while the sum is 47.

The spelling of 340260635666 in words is "three hundred forty billion, two hundred sixty million, six hundred thirty-five thousand, six hundred sixty-six".