126316325663 has 16 divisors (see below), whose sum is σ = 138664431360. Its totient is φ = 114113236800.

The previous prime is 126316325651. The next prime is 126316325677. The reversal of 126316325663 is 366523613621.

It is a cyclic number.

It is not a de Polignac number, because 126316325663 - 2¹⁴ = 126316309279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126316325693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2953931 + ... + 2996387.

It is an arithmetic number, because the mean of its divisors is an integer number (8666526960).

Almost surely, 2^126316325663 is an apocalyptic number.

126316325663 is a deficient number, since it is larger than the sum of its proper divisors (12348105697).

126316325663 is a wasteful number, since it uses less digits than its factorization.

126316325663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44158.

The product of its digits is 699840, while the sum is 44.

The spelling of 126316325663 in words is "one hundred twenty-six billion, three hundred sixteen million, three hundred twenty-five thousand, six hundred sixty-three".