16263963 has 16 divisors (see below), whose sum is σ = 24245760. Its totient is φ = 10774728.

The previous prime is 16263959. The next prime is 16263971. The reversal of 16263963 is 36936261.

16263963 is a `hidden beast` number, since 16 + 2 + 639 + 6 + 3 = 666.

It is not a de Polignac number, because 16263963 - 2² = 16263959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16263953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2706 + ... + 6312.

It is an arithmetic number, because the mean of its divisors is an integer number (1515360).

Almost surely, 2^16263963 is an apocalyptic number.

16263963 is a deficient number, since it is larger than the sum of its proper divisors (7981797).

16263963 is a wasteful number, since it uses less digits than its factorization.

16263963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783 (or 3777 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 16263963 is about 4032.8603992700. The cubic root of 16263963 is about 253.3623775949.

The spelling of 16263963 in words is "sixteen million, two hundred sixty-three thousand, nine hundred sixty-three".