165332419 has 12 divisors (see below), whose sum is σ = 192637200. Its totient is φ = 141483888.

The previous prime is 165332411. The next prime is 165332443. The reversal of 165332419 is 914233561.

It is not a de Polignac number, because 165332419 - 2³ = 165332411 is a prime.

It is a super-2 number, since 2×165332419² = 54669617544783122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165332411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32362 + ... + 37120.

It is an arithmetic number, because the mean of its divisors is an integer number (16053100).

Almost surely, 2^165332419 is an apocalyptic number.

165332419 is a deficient number, since it is larger than the sum of its proper divisors (27304781).

165332419 is an equidigital number, since it uses as much as digits as its factorization.

165332419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5482 (or 5475 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 165332419 is about 12858.1654601269. The cubic root of 165332419 is about 548.8487422868.

The spelling of 165332419 in words is "one hundred sixty-five million, three hundred thirty-two thousand, four hundred nineteen".