331664101 has 16 divisors (see below), whose sum is σ = 361152000. Its totient is φ = 303379200.

The previous prime is 331664093. The next prime is 331664119. The reversal of 331664101 is 101466133.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 331664101 - 2³ = 331664093 is a prime.

It is a super-2 number, since 2×331664101² = 220002151784276402, 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 (331664191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119275 + ... + 122023.

It is an arithmetic number, because the mean of its divisors is an integer number (22572000).

Almost surely, 2^331664101 is an apocalyptic number.

It is an amenable number.

331664101 is a deficient number, since it is larger than the sum of its proper divisors (29487899).

331664101 is a wasteful number, since it uses less digits than its factorization.

331664101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 331664101 is about 18211.6473993980. The cubic root of 331664101 is about 692.2019559622.

The spelling of 331664101 in words is "three hundred thirty-one million, six hundred sixty-four thousand, one hundred one".