16401419 has 2 divisors, whose sum is σ = 16401420. Its totient is φ = 16401418.

The previous prime is 16401403. The next prime is 16401457. The reversal of 16401419 is 91410461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16401419 - 2⁴ = 16401403 is a prime.

It is a super-2 number, since 2×16401419² = 538013090427122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16401499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8200709 + 8200710.

It is an arithmetic number, because the mean of its divisors is an integer number (8200710).

Almost surely, 2^16401419 is an apocalyptic number.

16401419 is a deficient number, since it is larger than the sum of its proper divisors (1).

16401419 is an equidigital number, since it uses as much as digits as its factorization.

16401419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 16401419 is about 4049.8665410110. The cubic root of 16401419 is about 254.0741460020.

The spelling of 16401419 in words is "sixteen million, four hundred one thousand, four hundred nineteen".