16091963 has 2 divisors, whose sum is σ = 16091964. Its totient is φ = 16091962.

The previous prime is 16091951. The next prime is 16091987. The reversal of 16091963 is 36919061.

It is a weak prime.

It is an emirp because it is prime and its reverse (36919061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16091963 - 2⁶ = 16091899 is a prime.

It is not a weakly prime, because it can be changed into another prime (16091923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8045981 + 8045982.

It is an arithmetic number, because the mean of its divisors is an integer number (8045982).

Almost surely, 2^16091963 is an apocalyptic number.

16091963 is a deficient number, since it is larger than the sum of its proper divisors (1).

16091963 is an equidigital number, since it uses as much as digits as its factorization.

16091963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 16091963 is about 4011.4789043444. The cubic root of 16091963 is about 252.4660634716.

The spelling of 16091963 in words is "sixteen million, ninety-one thousand, nine hundred sixty-three".