165795419 has 2 divisors, whose sum is σ = 165795420. Its totient is φ = 165795418.

The previous prime is 165795353. The next prime is 165795451. The reversal of 165795419 is 914597561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165795419 - 2¹² = 165791323 is a prime.

It is a super-2 number, since 2×165795419² = 54976241922771122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (165735419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82897709 + 82897710.

It is an arithmetic number, because the mean of its divisors is an integer number (82897710).

Almost surely, 2^165795419 is an apocalyptic number.

165795419 is a deficient number, since it is larger than the sum of its proper divisors (1).

165795419 is an equidigital number, since it uses as much as digits as its factorization.

165795419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 47.

The square root of 165795419 is about 12876.1569965576. The cubic root of 165795419 is about 549.3606002077.

The spelling of 165795419 in words is "one hundred sixty-five million, seven hundred ninety-five thousand, four hundred nineteen".