63166625985 has 8 divisors (see below), whose sum is σ = 101066601600. Its totient is φ = 33688867184.

The previous prime is 63166625983. The next prime is 63166626001. The reversal of 63166625985 is 58952666136.

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 63166625985 - 2¹ = 63166625983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63166625983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2105554185 + ... + 2105554214.

It is an arithmetic number, because the mean of its divisors is an integer number (12633325200).

Almost surely, 2^63166625985 is an apocalyptic number.

It is an amenable number.

63166625985 is a deficient number, since it is larger than the sum of its proper divisors (37899975615).

63166625985 is a wasteful number, since it uses less digits than its factorization.

63166625985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211108407.

The product of its digits is 13996800, while the sum is 57.

The spelling of 63166625985 in words is "sixty-three billion, one hundred sixty-six million, six hundred twenty-five thousand, nine hundred eighty-five".