331604471663 has 8 divisors (see below), whose sum is σ = 339721334736. Its totient is φ = 323488987200.

The previous prime is 331604471633. The next prime is 331604471669. The reversal of 331604471663 is 366174406133.

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

It is a cyclic number.

It is not a de Polignac number, because 331604471663 - 2¹⁴ = 331604455279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331604471669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150920 + ... + 828242.

It is an arithmetic number, because the mean of its divisors is an integer number (42465166842).

Almost surely, 2^331604471663 is an apocalyptic number.

331604471663 is a deficient number, since it is larger than the sum of its proper divisors (8116863073).

331604471663 is a wasteful number, since it uses less digits than its factorization.

331604471663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689305.

The product of its (nonzero) digits is 653184, while the sum is 44.

Adding to 331604471663 its reverse (366174406133), we get a palindrome (697778877796).

The spelling of 331604471663 in words is "three hundred thirty-one billion, six hundred four million, four hundred seventy-one thousand, six hundred sixty-three".