415860161 has 4 divisors (see below), whose sum is σ = 415939524. Its totient is φ = 415780800.

The previous prime is 415860149. The next prime is 415860169. The reversal of 415860161 is 161068514.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 291760561 + 124099600 = 17081^2 + 11140^2 .

It is a cyclic number.

It is not a de Polignac number, because 415860161 - 2⁶ = 415860097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415860169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31220 + ... + 42501.

It is an arithmetic number, because the mean of its divisors is an integer number (103984881).

Almost surely, 2^415860161 is an apocalyptic number.

It is an amenable number.

415860161 is a deficient number, since it is larger than the sum of its proper divisors (79363).

415860161 is an equidigital number, since it uses as much as digits as its factorization.

415860161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79362.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 415860161 is about 20392.6496807060. The cubic root of 415860161 is about 746.4185760552.

The spelling of 415860161 in words is "four hundred fifteen million, eight hundred sixty thousand, one hundred sixty-one".