16291879 has 2 divisors, whose sum is σ = 16291880. Its totient is φ = 16291878.

The previous prime is 16291867. The next prime is 16291907. The reversal of 16291879 is 97819261.

16291879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (97819261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16291879 is a prime.

It is a super-3 number, since 3×16291879³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16291859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8145939 + 8145940.

It is an arithmetic number, because the mean of its divisors is an integer number (8145940).

Almost surely, 2^16291879 is an apocalyptic number.

16291879 is a deficient number, since it is larger than the sum of its proper divisors (1).

16291879 is an equidigital number, since it uses as much as digits as its factorization.

16291879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 43.

The square root of 16291879 is about 4036.3199823602. The cubic root of 16291879 is about 253.5072545700.

The spelling of 16291879 in words is "sixteen million, two hundred ninety-one thousand, eight hundred seventy-nine".