63113665 has 16 divisors (see below), whose sum is σ = 77249088. Its totient is φ = 49490496.

The previous prime is 63113663. The next prime is 63113669. The reversal of 63113665 is 56631136.

It is a cyclic number.

It is not a de Polignac number, because 63113665 - 2¹ = 63113663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63113663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97834 + ... + 98476.

It is an arithmetic number, because the mean of its divisors is an integer number (4828068).

Almost surely, 2^63113665 is an apocalyptic number.

It is an amenable number.

63113665 is a deficient number, since it is larger than the sum of its proper divisors (14135423).

63113665 is a wasteful number, since it uses less digits than its factorization.

63113665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008.

The product of its digits is 9720, while the sum is 31.

The square root of 63113665 is about 7944.4109284452. The cubic root of 63113665 is about 398.1448783600.

The spelling of 63113665 in words is "sixty-three million, one hundred thirteen thousand, six hundred sixty-five".