13631633432066 has 8 divisors (see below), whose sum is σ = 22020330928764. Its totient is φ = 6291523122480.

The previous prime is 13631633432063. The next prime is 13631633432071. The reversal of 13631633432066 is 66023433613631.

It can be written as a sum of positive squares in 2 ways, for example, as 9996795856441 + 3634837575625 = 3161771^2 + 1906525^2 .

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 13631633432066.

It is not an unprimeable number, because it can be changed into a prime (13631633432063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262146796745 + ... + 262146796796.

Almost surely, 2^{13631633432066} is an apocalyptic number.

13631633432066 is a deficient number, since it is larger than the sum of its proper divisors (8388697496698).

13631633432066 is a wasteful number, since it uses less digits than its factorization.

13631633432066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524293593556.

The product of its (nonzero) digits is 2519424, while the sum is 47.

The spelling of 13631633432066 in words is "thirteen trillion, six hundred thirty-one billion, six hundred thirty-three million, four hundred thirty-two thousand, sixty-six".