3331664405 has 8 divisors (see below), whose sum is σ = 4046166432. Its totient is φ = 2633218768.

The previous prime is 3331664363. The next prime is 3331664407. The reversal of 3331664405 is 5044661333.

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 3331664405 - 2²⁰ = 3330615829 is a prime.

It is a super-2 number, since 2×3331664405² = 22199975415088008050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331664407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4013639 + ... + 4014468.

It is an arithmetic number, because the mean of its divisors is an integer number (505770804).

Almost surely, 2^3331664405 is an apocalyptic number.

It is an amenable number.

3331664405 is a deficient number, since it is larger than the sum of its proper divisors (714502027).

3331664405 is an equidigital number, since it uses as much as digits as its factorization.

3331664405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8028195.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 3331664405 is about 57720.5717660524. The cubic root of 3331664405 is about 1493.5522357885.

The spelling of 3331664405 in words is "three billion, three hundred thirty-one million, six hundred sixty-four thousand, four hundred five".