16459969 has 2 divisors, whose sum is σ = 16459970. Its totient is φ = 16459968.

The previous prime is 16459951. The next prime is 16459987. The reversal of 16459969 is 96995461.

16459969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (16459951) and next prime (16459987).

It can be written as a sum of positive squares in only one way, i.e., 15800625 + 659344 = 3975^2 + 812^2 .

It is an emirp because it is prime and its reverse (96995461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16459969 is a prime.

It is a super-2 number, since 2×16459969² = 541861158961922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16459169) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8229984 + 8229985.

It is an arithmetic number, because the mean of its divisors is an integer number (8229985).

Almost surely, 2^16459969 is an apocalyptic number.

It is an amenable number.

16459969 is a deficient number, since it is larger than the sum of its proper divisors (1).

16459969 is an equidigital number, since it uses as much as digits as its factorization.

16459969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 49.

The square root of 16459969 is about 4057.0887345485. The cubic root of 16459969 is about 254.3761193599.

The spelling of 16459969 in words is "sixteen million, four hundred fifty-nine thousand, nine hundred sixty-nine".