356506666 has 8 divisors (see below), whose sum is σ = 539758080. Its totient is φ = 176587308.

The previous prime is 356506649. The next prime is 356506681. The reversal of 356506666 is 666605653.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 832746 + ... + 833173.

It is an arithmetic number, because the mean of its divisors is an integer number (67469760).

Almost surely, 2^356506666 is an apocalyptic number.

356506666 is a deficient number, since it is larger than the sum of its proper divisors (183251414).

356506666 is a wasteful number, since it uses less digits than its factorization.

356506666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666028.

The product of its (nonzero) digits is 583200, while the sum is 43.

The square root of 356506666 is about 18881.3841124002. The cubic root of 356506666 is about 709.0701747399.

The spelling of 356506666 in words is "three hundred fifty-six million, five hundred six thousand, six hundred sixty-six".