12557160766 has 8 divisors (see below), whose sum is σ = 19047378960. Its totient is φ = 6208034448.

The previous prime is 12557160761. The next prime is 12557160767. The reversal of 12557160766 is 66706175521.

It is a happy number.

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 (12557160761) 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 3 ways as a sum of consecutive naturals, for example, 35272746 + ... + 35273101.

It is an arithmetic number, because the mean of its divisors is an integer number (2380922370).

Almost surely, 2^12557160766 is an apocalyptic number.

12557160766 is a deficient number, since it is larger than the sum of its proper divisors (6490218194).

12557160766 is an equidigital number, since it uses as much as digits as its factorization.

12557160766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70545938.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 12557160766 in words is "twelve billion, five hundred fifty-seven million, one hundred sixty thousand, seven hundred sixty-six".