1018046660 has 24 divisors (see below), whose sum is σ = 2146779096. Its totient is φ = 405527040.

The previous prime is 1018046639. The next prime is 1018046663. The reversal of 1018046660 is 666408101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13410244 + 1004636416 = 3662^2 + 31696^2 .

It is not an unprimeable number, because it can be changed into a prime (1018046663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100787 + ... + 110426.

It is an arithmetic number, because the mean of its divisors is an integer number (89449129).

Almost surely, 2^1018046660 is an apocalyptic number.

1018046660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1018046660 is an abundant number, since it is smaller than the sum of its proper divisors (1128732436).

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

1018046660 is a wasteful number, since it uses less digits than its factorization.

1018046660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211463 (or 211461 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1018046660 is about 31906.8434665669. The cubic root of 1018046660 is about 1005.9797249503.

The spelling of 1018046660 in words is "one billion, eighteen million, forty-six thousand, six hundred sixty".