419920165 has 16 divisors (see below), whose sum is σ = 577156608. Its totient is φ = 287312256.

The previous prime is 419920153. The next prime is 419920183. The reversal of 419920165 is 561029914.

It is not a de Polignac number, because 419920165 - 2⁹ = 419919653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3249 + ... + 29161.

It is an arithmetic number, because the mean of its divisors is an integer number (36072288).

Almost surely, 2^419920165 is an apocalyptic number.

It is an amenable number.

419920165 is a deficient number, since it is larger than the sum of its proper divisors (157236443).

419920165 is a wasteful number, since it uses less digits than its factorization.

419920165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26388.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 419920165 is about 20491.9536647924. The cubic root of 419920165 is about 748.8397853875.

The spelling of 419920165 in words is "four hundred nineteen million, nine hundred twenty thousand, one hundred sixty-five".