63125065660 has 12 divisors (see below), whose sum is σ = 132562637928. Its totient is φ = 25250026256.

The previous prime is 63125065649. The next prime is 63125065667. The reversal of 63125065660 is 6656052136.

It is a happy number.

It is a super-2 number, since 2×63125065660² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63125065667) 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 3 ways as a sum of consecutive naturals, for example, 1578126622 + ... + 1578126661.

It is an arithmetic number, because the mean of its divisors is an integer number (11046886494).

Almost surely, 2^63125065660 is an apocalyptic number.

It is an amenable number.

63125065660 is an abundant number, since it is smaller than the sum of its proper divisors (69437572268).

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

63125065660 is a wasteful number, since it uses less digits than its factorization.

63125065660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156253292 (or 3156253290 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 63125065660 in words is "sixty-three billion, one hundred twenty-five million, sixty-five thousand, six hundred sixty".