16716019 has 2 divisors, whose sum is σ = 16716020. Its totient is φ = 16716018.

The previous prime is 16715989. The next prime is 16716023. The reversal of 16716019 is 91061761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16716019 - 2²¹ = 14618867 is a prime.

It is a super-2 number, since 2×16716019² = 558850582416722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16716059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8358009 + 8358010.

It is an arithmetic number, because the mean of its divisors is an integer number (8358010).

Almost surely, 2^16716019 is an apocalyptic number.

16716019 is a deficient number, since it is larger than the sum of its proper divisors (1).

16716019 is an equidigital number, since it uses as much as digits as its factorization.

16716019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 16716019 is about 4088.5228383855. The cubic root of 16716019 is about 255.6883567349.

The spelling of 16716019 in words is "sixteen million, seven hundred sixteen thousand, nineteen".