348145666 has 32 divisors (see below), whose sum is σ = 588980160. Its totient is φ = 152980800.

The previous prime is 348145663. The next prime is 348145697. The reversal of 348145666 is 666541843.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (348145663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76980 + ... + 81376.

It is an arithmetic number, because the mean of its divisors is an integer number (18405630).

Almost surely, 2^348145666 is an apocalyptic number.

348145666 is a deficient number, since it is larger than the sum of its proper divisors (240834494).

348145666 is a wasteful number, since it uses less digits than its factorization.

348145666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4530.

The product of its digits is 414720, while the sum is 43.

The square root of 348145666 is about 18658.6619563140. The cubic root of 348145666 is about 703.4830929771.

The spelling of 348145666 in words is "three hundred forty-eight million, one hundred forty-five thousand, six hundred sixty-six".