12675662811638 has 8 divisors (see below), whose sum is σ = 20131935053832. Its totient is φ = 5965017793696.

The previous prime is 12675662811631. The next prime is 12675662811659. The reversal of 12675662811638 is 83611826657621.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12675662811631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186406806020 + ... + 186406806087.

It is an arithmetic number, because the mean of its divisors is an integer number (2516491881729).

Almost surely, 2^{12675662811638} is an apocalyptic number.

12675662811638 is a deficient number, since it is larger than the sum of its proper divisors (7456272242194).

12675662811638 is a wasteful number, since it uses less digits than its factorization.

12675662811638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372813612126.

The product of its digits is 34836480, while the sum is 62.

The spelling of 12675662811638 in words is "twelve trillion, six hundred seventy-five billion, six hundred sixty-two million, eight hundred eleven thousand, six hundred thirty-eight".