418161061 has 2 divisors, whose sum is σ = 418161062. Its totient is φ = 418161060.

The previous prime is 418161047. The next prime is 418161119. The reversal of 418161061 is 160161814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417384900 + 776161 = 20430^2 + 881^2 .

It is a cyclic number.

It is not a de Polignac number, because 418161061 - 2²¹ = 416063909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418161031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209080530 + 209080531.

It is an arithmetic number, because the mean of its divisors is an integer number (209080531).

Almost surely, 2^418161061 is an apocalyptic number.

It is an amenable number.

418161061 is a deficient number, since it is larger than the sum of its proper divisors (1).

418161061 is an equidigital number, since it uses as much as digits as its factorization.

418161061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 418161061 is about 20448.9867964161. The cubic root of 418161061 is about 747.7926571493.

The spelling of 418161061 in words is "four hundred eighteen million, one hundred sixty-one thousand, sixty-one".