126664683836 has 24 divisors (see below), whose sum is σ = 223840946784. Its totient is φ = 62710269120.

The previous prime is 126664683799. The next prime is 126664683839. The reversal of 126664683836 is 638386466621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126664683839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6472226 + ... + 6491766.

It is an arithmetic number, because the mean of its divisors is an integer number (9326706116).

Almost surely, 2^126664683836 is an apocalyptic number.

It is an amenable number.

126664683836 is a deficient number, since it is larger than the sum of its proper divisors (97176262948).

126664683836 is a wasteful number, since it uses less digits than its factorization.

126664683836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35381 (or 35379 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 59.

The spelling of 126664683836 in words is "one hundred twenty-six billion, six hundred sixty-four million, six hundred eighty-three thousand, eight hundred thirty-six".