125163663 has 8 divisors (see below), whose sum is σ = 166958208. Its totient is φ = 83405784.

The previous prime is 125163653. The next prime is 125163667. The reversal of 125163663 is 366361521.

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

It is not a de Polignac number, because 125163663 - 2²¹ = 123066511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125163667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156 + ... + 15822.

It is an arithmetic number, because the mean of its divisors is an integer number (20869776).

Almost surely, 2^125163663 is an apocalyptic number.

125163663 is a deficient number, since it is larger than the sum of its proper divisors (41794545).

125163663 is a wasteful number, since it uses less digits than its factorization.

125163663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18333.

The product of its digits is 19440, while the sum is 33.

The square root of 125163663 is about 11187.6567251592. The cubic root of 125163663 is about 500.2181221649.

The spelling of 125163663 in words is "one hundred twenty-five million, one hundred sixty-three thousand, six hundred sixty-three".