63326507660641 has 8 divisors (see below), whose sum is σ = 63349915479264. Its totient is φ = 63303103026240.

The previous prime is 63326507660587. The next prime is 63326507660719. The reversal of 63326507660641 is 14606670562336.

It is a happy number.

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 63326507660641 - 2²³ = 63326499272033 is a prime.

It is a super-3 number, since 3×63326507660641³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63326507660341) 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, 39360105 + ... + 40937401.

It is an arithmetic number, because the mean of its divisors is an integer number (7918739434908).

Almost surely, 2^{63326507660641} is an apocalyptic number.

It is an amenable number.

63326507660641 is a deficient number, since it is larger than the sum of its proper divisors (23407818623).

63326507660641 is a wasteful number, since it uses less digits than its factorization.

63326507660641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592111.

The product of its (nonzero) digits is 19595520, while the sum is 55.

The spelling of 63326507660641 in words is "sixty-three trillion, three hundred twenty-six billion, five hundred seven million, six hundred sixty thousand, six hundred forty-one".