418472161 has 4 divisors (see below), whose sum is σ = 427375872. Its totient is φ = 409568452.

The previous prime is 418472101. The next prime is 418472167. The reversal of 418472161 is 161274814.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161274814 = 2 ⋅80637407.

It is a cyclic number.

It is not a de Polignac number, because 418472161 - 2⁹ = 418471649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (418472167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4451785 + ... + 4451878.

It is an arithmetic number, because the mean of its divisors is an integer number (106843968).

Almost surely, 2^418472161 is an apocalyptic number.

It is an amenable number.

418472161 is a deficient number, since it is larger than the sum of its proper divisors (8903711).

418472161 is an equidigital number, since it uses as much as digits as its factorization.

418472161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8903710.

The product of its digits is 10752, while the sum is 34.

The square root of 418472161 is about 20456.5921159904. The cubic root of 418472161 is about 747.9780567071.

The spelling of 418472161 in words is "four hundred eighteen million, four hundred seventy-two thousand, one hundred sixty-one".