331666363 has 8 divisors (see below), whose sum is σ = 379157760. Its totient is φ = 284202600.

The previous prime is 331666351. The next prime is 331666367. The reversal of 331666363 is 363666133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331666363 is a prime.

It is a super-2 number, since 2×331666363² = 220005152691295538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331666367) 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 7 ways as a sum of consecutive naturals, for example, 40788 + ... + 48238.

It is an arithmetic number, because the mean of its divisors is an integer number (47394720).

Almost surely, 2^331666363 is an apocalyptic number.

331666363 is a deficient number, since it is larger than the sum of its proper divisors (47491397).

331666363 is an equidigital number, since it uses as much as digits as its factorization.

331666363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13817.

The product of its digits is 104976, while the sum is 37.

The square root of 331666363 is about 18211.7095024053. The cubic root of 331666363 is about 692.2035295997.

The spelling of 331666363 in words is "three hundred thirty-one million, six hundred sixty-six thousand, three hundred sixty-three".