8132646272464 has 80 divisors (see below), whose sum is σ = 18631839708160. Its totient is φ = 3365196503040.

The previous prime is 8132646272461. The next prime is 8132646272599. The reversal of 8132646272464 is 4642726462318.

It is a happy number.

It is a super-2 number, since 2×8132646272464² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8132646272461) 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, 1201419 + ... + 4208170.

It is an arithmetic number, because the mean of its divisors is an integer number (232897996352).

Almost surely, 2^{8132646272464} is an apocalyptic number.

It is an amenable number.

8132646272464 is an abundant number, since it is smaller than the sum of its proper divisors (10499193435696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8132646272464 is a wasteful number, since it uses less digits than its factorization.

8132646272464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5410068 (or 5410062 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 55.

The spelling of 8132646272464 in words is "eight trillion, one hundred thirty-two billion, six hundred forty-six million, two hundred seventy-two thousand, four hundred sixty-four".