355844666 has 8 divisors (see below), whose sum is σ = 533856960. Its totient is φ = 177892348.

The previous prime is 355844653. The next prime is 355844689. The reversal of 355844666 is 666448553.

It is a happy number.

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 355844666.

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, 5375 + ... + 27213.

It is an arithmetic number, because the mean of its divisors is an integer number (66732120).

Almost surely, 2^355844666 is an apocalyptic number.

355844666 is a deficient number, since it is larger than the sum of its proper divisors (178012294).

355844666 is a wasteful number, since it uses less digits than its factorization.

355844666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29988.

The product of its digits is 2073600, while the sum is 47.

The square root of 355844666 is about 18863.8454722254. The cubic root of 355844666 is about 708.6310101580.

The spelling of 355844666 in words is "three hundred fifty-five million, eight hundred forty-four thousand, six hundred sixty-six".