346358666 has 16 divisors (see below), whose sum is σ = 523998720. Its totient is φ = 171697200.

The previous prime is 346358659. The next prime is 346358669. The reversal of 346358666 is 666853643.

It is a self number, because there is not a number n which added to its sum of digits gives 346358666.

It is not an unprimeable number, because it can be changed into a prime (346358669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239975 + ... + 241413.

It is an arithmetic number, because the mean of its divisors is an integer number (32749920).

Almost surely, 2^346358666 is an apocalyptic number.

346358666 is a deficient number, since it is larger than the sum of its proper divisors (177640054).

346358666 is a wasteful number, since it uses less digits than its factorization.

346358666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389.

The product of its digits is 1866240, while the sum is 47.

The square root of 346358666 is about 18610.7137423582. The cubic root of 346358666 is about 702.2773894778.

The spelling of 346358666 in words is "three hundred forty-six million, three hundred fifty-eight thousand, six hundred sixty-six".