331634216133641 has 8 divisors (see below), whose sum is σ = 336087906323400. Its totient is φ = 327196691789440.

The previous prime is 331634216133569. The next prime is 331634216133667. The reversal of 331634216133641 is 146331612436133.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 588563618041 + 331045652515600 = 767179^2 + 18194660^2 .

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-331634216133641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331634216133541) 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, 4041420086 + ... + 4041502143.

It is an arithmetic number, because the mean of its divisors is an integer number (42010988290425).

Almost surely, 2^{331634216133641} is an apocalyptic number.

It is an amenable number.

331634216133641 is a deficient number, since it is larger than the sum of its proper divisors (4453690189759).

331634216133641 is an equidigital number, since it uses as much as digits as its factorization.

331634216133641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8082922779.

The product of its digits is 1679616, while the sum is 47.

Adding to 331634216133641 its reverse (146331612436133), we get a palindrome (477965828569774).

The spelling of 331634216133641 in words is "three hundred thirty-one trillion, six hundred thirty-four billion, two hundred sixteen million, one hundred thirty-three thousand, six hundred forty-one".