660045484 has 54 divisors (see below), whose sum is σ = 1417750740. Its totient is φ = 267351840.

The previous prime is 660045473. The next prime is 660045493. The reversal of 660045484 is 484540066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1567594 + ... + 1568014.

Almost surely, 2^660045484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660045484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708875370).

660045484 is an abundant number, since it is smaller than the sum of its proper divisors (757705256).

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

660045484 is a wasteful number, since it uses less digits than its factorization.

660045484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 660045484 is about 25691.3503732287. The cubic root of 660045484 is about 870.6787691849.

The spelling of 660045484 in words is "six hundred sixty million, forty-five thousand, four hundred eighty-four".