126761834618 has 8 divisors (see below), whose sum is σ = 190145451648. Its totient is φ = 63380017404.

The previous prime is 126761834603. The next prime is 126761834629. The reversal of 126761834618 is 816438167621.

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

It is a self number, because there is not a number n which added to its sum of digits gives 126761834618.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257396 + ... + 565487.

It is an arithmetic number, because the mean of its divisors is an integer number (23768181456).

Almost surely, 2^126761834618 is an apocalyptic number.

126761834618 is a deficient number, since it is larger than the sum of its proper divisors (63383617030).

126761834618 is an equidigital number, since it uses as much as digits as its factorization.

126761834618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899908.

The product of its digits is 2322432, while the sum is 53.

The spelling of 126761834618 in words is "one hundred twenty-six billion, seven hundred sixty-one million, eight hundred thirty-four thousand, six hundred eighteen".