1315641966 has 32 divisors (see below), whose sum is σ = 2800915200. Its totient is φ = 410794560.

The previous prime is 1315641959. The next prime is 1315642033. The reversal of 1315641966 is 6691465131.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54690 + ... + 74981.

It is an arithmetic number, because the mean of its divisors is an integer number (87528600).

Almost surely, 2^1315641966 is an apocalyptic number.

1315641966 is an abundant number, since it is smaller than the sum of its proper divisors (1485273234).

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

1315641966 is a wasteful number, since it uses less digits than its factorization.

1315641966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129784.

The product of its digits is 116640, while the sum is 42.

The square root of 1315641966 is about 36271.7791954020. The cubic root of 1315641966 is about 1095.7527586005.

The spelling of 1315641966 in words is "one billion, three hundred fifteen million, six hundred forty-one thousand, nine hundred sixty-six".