1326316556 has 6 divisors (see below), whose sum is σ = 2321053980. Its totient is φ = 663158276.

The previous prime is 1326316531. The next prime is 1326316571. The reversal of 1326316556 is 6556136231.

It is a super-2 number, since 2×1326316556² = 3518231213439402272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165789566 + ... + 165789573.

It is an arithmetic number, because the mean of its divisors is an integer number (386842330).

Almost surely, 2^1326316556 is an apocalyptic number.

It is an amenable number.

1326316556 is a deficient number, since it is larger than the sum of its proper divisors (994737424).

1326316556 is a wasteful number, since it uses less digits than its factorization.

1326316556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331579143 (or 331579141 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 1326316556 is about 36418.6292438362. The cubic root of 1326316556 is about 1098.7082787771.

The spelling of 1326316556 in words is "one billion, three hundred twenty-six million, three hundred sixteen thousand, five hundred fifty-six".