16119643 has 2 divisors, whose sum is σ = 16119644. Its totient is φ = 16119642.

The previous prime is 16119629. The next prime is 16119647. The reversal of 16119643 is 34691161.

It is a strong prime.

It is an emirp because it is prime and its reverse (34691161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16119643 - 2⁵ = 16119611 is a prime.

It is not a weakly prime, because it can be changed into another prime (16119647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8059821 + 8059822.

It is an arithmetic number, because the mean of its divisors is an integer number (8059822).

Almost surely, 2^16119643 is an apocalyptic number.

16119643 is a deficient number, since it is larger than the sum of its proper divisors (1).

16119643 is an equidigital number, since it uses as much as digits as its factorization.

16119643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The square root of 16119643 is about 4014.9275211391. The cubic root of 16119643 is about 252.6107372982.

The spelling of 16119643 in words is "sixteen million, one hundred nineteen thousand, six hundred forty-three".