1485813666 has 32 divisors (see below), whose sum is σ = 3076597440. Its totient is φ = 477804096.

The previous prime is 1485813649. The next prime is 1485813677. The reversal of 1485813666 is 6663185841.

It is an unprimeable number.

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, 275205 + ... + 280551.

It is an arithmetic number, because the mean of its divisors is an integer number (96143670).

Almost surely, 2^1485813666 is an apocalyptic number.

1485813666 is an abundant number, since it is smaller than the sum of its proper divisors (1590783774).

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

1485813666 is a wasteful number, since it uses less digits than its factorization.

1485813666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978.

The product of its digits is 829440, while the sum is 48.

The square root of 1485813666 is about 38546.2535922753. The cubic root of 1485813666 is about 1141.0940727831.

The spelling of 1485813666 in words is "one billion, four hundred eighty-five million, eight hundred thirteen thousand, six hundred sixty-six".