1318072466 has 4 divisors (see below), whose sum is σ = 1977108702. Its totient is φ = 659036232.

The previous prime is 1318072411. The next prime is 1318072487. The reversal of 1318072466 is 6642708131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1053327025 + 264745441 = 32455^2 + 16271^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329518115 + ... + 329518118.

Almost surely, 2^1318072466 is an apocalyptic number.

1318072466 is a deficient number, since it is larger than the sum of its proper divisors (659036236).

1318072466 is an equidigital number, since it uses as much as digits as its factorization.

1318072466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659036235.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1318072466 is about 36305.2677445023. The cubic root of 1318072466 is about 1096.4271033503.

The spelling of 1318072466 in words is "one billion, three hundred eighteen million, seventy-two thousand, four hundred sixty-six".