126613200663982 has 4 divisors (see below), whose sum is σ = 189919800995976. Its totient is φ = 63306600331990.

The previous prime is 126613200663919. The next prime is 126613200663997. The reversal of 126613200663982 is 289366002316621.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31653300165994 + ... + 31653300165997.

It is an arithmetic number, because the mean of its divisors is an integer number (47479950248994).

Almost surely, 2^{126613200663982} is an apocalyptic number.

126613200663982 is a deficient number, since it is larger than the sum of its proper divisors (63306600331994).

126613200663982 is an equidigital number, since it uses as much as digits as its factorization.

126613200663982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63306600331993.

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 126613200663982 in words is "one hundred twenty-six trillion, six hundred thirteen billion, two hundred million, six hundred sixty-three thousand, nine hundred eighty-two".