418161660 has 48 divisors (see below), whose sum is σ = 1338118656. Its totient is φ = 95579712.

The previous prime is 418161647. The next prime is 418161661. The reversal of 418161660 is 66161814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418161661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497392 + ... + 498231.

It is an arithmetic number, because the mean of its divisors is an integer number (27877472).

Almost surely, 2^418161660 is an apocalyptic number.

It is an amenable number.

418161660 is an abundant number, since it is smaller than the sum of its proper divisors (919956996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

418161660 is a wasteful number, since it uses less digits than its factorization.

418161660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995642 (or 995640 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 418161660 is about 20449.0014426133. The cubic root of 418161660 is about 747.7930142107.

The spelling of 418161660 in words is "four hundred eighteen million, one hundred sixty-one thousand, six hundred sixty".