331152166643 has 2 divisors, whose sum is σ = 331152166644. Its totient is φ = 331152166642.

The previous prime is 331152166603. The next prime is 331152166669. The reversal of 331152166643 is 346661251133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331152166643 - 2¹² = 331152162547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331152166643.

It is not a weakly prime, because it can be changed into another prime (331152166603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165576083321 + 165576083322.

It is an arithmetic number, because the mean of its divisors is an integer number (165576083322).

Almost surely, 2^331152166643 is an apocalyptic number.

331152166643 is a deficient number, since it is larger than the sum of its proper divisors (1).

331152166643 is an equidigital number, since it uses as much as digits as its factorization.

331152166643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 41.

The spelling of 331152166643 in words is "three hundred thirty-one billion, one hundred fifty-two million, one hundred sixty-six thousand, six hundred forty-three".