418791661060 has 12 divisors (see below), whose sum is σ = 879462488268. Its totient is φ = 167516664416.

The previous prime is 418791661039. The next prime is 418791661063. The reversal of 418791661060 is 60166197814.

It can be written as a sum of positive squares in 2 ways, for example, as 165162585604 + 253629075456 = 406402^2 + 503616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 418791660995 and 418791661013.

It is not an unprimeable number, because it can be changed into a prime (418791661063) 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 3 ways as a sum of consecutive naturals, for example, 10469791507 + ... + 10469791546.

It is an arithmetic number, because the mean of its divisors is an integer number (73288540689).

Almost surely, 2^418791661060 is an apocalyptic number.

It is an amenable number.

418791661060 is an abundant number, since it is smaller than the sum of its proper divisors (460670827208).

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

418791661060 is a wasteful number, since it uses less digits than its factorization.

418791661060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20939583062 (or 20939583060 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 418791661060 in words is "four hundred eighteen billion, seven hundred ninety-one million, six hundred sixty-one thousand, sixty".