666233363 has 4 divisors (see below), whose sum is σ = 667569000. Its totient is φ = 664897728.

The previous prime is 666233317. The next prime is 666233437. The reversal of 666233363 is 363332666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-666233363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (666233303) by changing a digit.

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, 667070 + ... + 668067.

It is an arithmetic number, because the mean of its divisors is an integer number (166892250).

Almost surely, 2^666233363 is an apocalyptic number.

666233363 is a deficient number, since it is larger than the sum of its proper divisors (1335637).

666233363 is a wasteful number, since it uses less digits than its factorization.

666233363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335636.

The product of its digits is 209952, while the sum is 38.

The square root of 666233363 is about 25811.4967214224. The cubic root of 666233363 is about 873.3911609081.

The spelling of 666233363 in words is "six hundred sixty-six million, two hundred thirty-three thousand, three hundred sixty-three".