63166065605 has 8 divisors (see below), whose sum is σ = 76712523552. Its totient is φ = 49924022608.

The previous prime is 63166065587. The next prime is 63166065607. The reversal of 63166065605 is 50656066136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63166065605 - 2¹⁸ = 63165803461 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 (63166065607) 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, 76103279 + ... + 76104108.

It is an arithmetic number, because the mean of its divisors is an integer number (9589065444).

Almost surely, 2^63166065605 is an apocalyptic number.

It is an amenable number.

63166065605 is a deficient number, since it is larger than the sum of its proper divisors (13546457947).

63166065605 is a wasteful number, since it uses less digits than its factorization.

63166065605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152207475.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 63166065605 in words is "sixty-three billion, one hundred sixty-six million, sixty-five thousand, six hundred five".