1326266648 has 32 divisors (see below), whose sum is σ = 2843168160. Its totient is φ = 568166400.

The previous prime is 1326266629. The next prime is 1326266677. The reversal of 1326266648 is 8466626231.

It is a junction number, because it is equal to n+sod(n) for n = 1326266599 and 1326266608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266390 + ... + 271322.

It is an arithmetic number, because the mean of its divisors is an integer number (88849005).

Almost surely, 2^1326266648 is an apocalyptic number.

It is an amenable number.

1326266648 is an abundant number, since it is smaller than the sum of its proper divisors (1516901512).

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

1326266648 is a wasteful number, since it uses less digits than its factorization.

1326266648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9747 (or 9743 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The square root of 1326266648 is about 36417.9440386192. The cubic root of 1326266648 is about 1098.6944974969.

The spelling of 1326266648 in words is "one billion, three hundred twenty-six million, two hundred sixty-six thousand, six hundred forty-eight".