1318956966 has 32 divisors (see below), whose sum is σ = 2939361120. Its totient is φ = 438400512.

The previous prime is 1318956937. The next prime is 1318956967. The reversal of 1318956966 is 6696598131.

1318956966 is a `hidden beast` number, since 1 + 3 + 18 + 9 + 569 + 66 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318956967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15535 + ... + 53658.

It is an arithmetic number, because the mean of its divisors is an integer number (91855035).

Almost surely, 2^1318956966 is an apocalyptic number.

1318956966 is an abundant number, since it is smaller than the sum of its proper divisors (1620404154).

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

1318956966 is a wasteful number, since it uses less digits than its factorization.

1318956966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69557 (or 69551 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 1318956966 is about 36317.4471294445. The cubic root of 1318956966 is about 1096.6723030519.

The spelling of 1318956966 in words is "one billion, three hundred eighteen million, nine hundred fifty-six thousand, nine hundred sixty-six".