126669275268 has 12 divisors (see below), whose sum is σ = 295561642320. Its totient is φ = 42223091752.

The previous prime is 126669275237. The next prime is 126669275303. The reversal of 126669275268 is 862572966621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

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, 5277886458 + ... + 5277886481.

It is an arithmetic number, because the mean of its divisors is an integer number (24630136860).

Almost surely, 2^126669275268 is an apocalyptic number.

It is an amenable number.

126669275268 is an abundant number, since it is smaller than the sum of its proper divisors (168892367052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126669275268 is a wasteful number, since it uses less digits than its factorization.

126669275268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10555772946 (or 10555772944 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 60.

The spelling of 126669275268 in words is "one hundred twenty-six billion, six hundred sixty-nine million, two hundred seventy-five thousand, two hundred sixty-eight".