16256963 has 4 divisors (see below), whose sum is σ = 16278768. Its totient is φ = 16235160.

The previous prime is 16256957. The next prime is 16256987. The reversal of 16256963 is 36965261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36965261 = 149 ⋅248089.

It is a cyclic number.

It is not a de Polignac number, because 16256963 - 2¹⁸ = 15994819 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (16256953) 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 3 ways as a sum of consecutive naturals, for example, 9743 + ... + 11288.

It is an arithmetic number, because the mean of its divisors is an integer number (4069692).

Almost surely, 2^16256963 is an apocalyptic number.

16256963 is a deficient number, since it is larger than the sum of its proper divisors (21805).

16256963 is an equidigital number, since it uses as much as digits as its factorization.

16256963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21804.

The product of its digits is 58320, while the sum is 38.

The square root of 16256963 is about 4031.9924355088. The cubic root of 16256963 is about 253.3260233733.

The spelling of 16256963 in words is "sixteen million, two hundred fifty-six thousand, nine hundred sixty-three".