9663111 has 16 divisors (see below), whose sum is σ = 14373600. Its totient is φ = 6416064.

The previous prime is 9663107. The next prime is 9663127. The reversal of 9663111 is 1113669.

9663111 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9663111 - 2² = 9663107 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

9663111 is a lucky number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9663131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7995 + ... + 9123.

It is an arithmetic number, because the mean of its divisors is an integer number (898350).

Almost surely, 2^9663111 is an apocalyptic number.

9663111 is a deficient number, since it is larger than the sum of its proper divisors (4710489).

9663111 is a wasteful number, since it uses less digits than its factorization.

9663111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1449 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 9663111 is about 3108.5544872175. The cubic root of 9663111 is about 212.9964292200.

The spelling of 9663111 in words is "nine million, six hundred sixty-three thousand, one hundred eleven".