1312260166 has 8 divisors (see below), whose sum is σ = 2249588880. Its totient is φ = 562397208.

The previous prime is 1312260161. The next prime is 1312260211. The reversal of 1312260166 is 6610622131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312260161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46866421 + ... + 46866448.

It is an arithmetic number, because the mean of its divisors is an integer number (281198610).

Almost surely, 2^1312260166 is an apocalyptic number.

1312260166 is a deficient number, since it is larger than the sum of its proper divisors (937328714).

1312260166 is an equidigital number, since it uses as much as digits as its factorization.

1312260166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93732878.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1312260166 is about 36225.1316905819. The cubic root of 1312260166 is about 1094.8130915385.

Adding to 1312260166 its reverse (6610622131), we get a palindrome (7922882297).

The spelling of 1312260166 in words is "one billion, three hundred twelve million, two hundred sixty thousand, one hundred sixty-six".