126814261618 has 64 divisors (see below), whose sum is σ = 221693604480. Its totient is φ = 53796441600.

The previous prime is 126814261603. The next prime is 126814261643. The reversal of 126814261618 is 816162418621.

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 31 ways as a sum of consecutive naturals, for example, 32373396 + ... + 32377312.

It is an arithmetic number, because the mean of its divisors is an integer number (3463962570).

Almost surely, 2^126814261618 is an apocalyptic number.

126814261618 is a deficient number, since it is larger than the sum of its proper divisors (94879342862).

126814261618 is a wasteful number, since it uses less digits than its factorization.

126814261618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083.

The product of its digits is 221184, while the sum is 46.

The spelling of 126814261618 in words is "one hundred twenty-six billion, eight hundred fourteen million, two hundred sixty-one thousand, six hundred eighteen".