660551248 has 40 divisors (see below), whose sum is σ = 1463888448. Its totient is φ = 282853632.

The previous prime is 660551239. The next prime is 660551261. The reversal of 660551248 is 842155066.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212715 + ... + 215797.

Almost surely, 2^660551248 is an apocalyptic number.

It is an amenable number.

660551248 is an abundant number, since it is smaller than the sum of its proper divisors (803337200).

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

660551248 is a wasteful number, since it uses less digits than its factorization.

660551248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5011 (or 5005 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 660551248 is about 25701.1915677075. The cubic root of 660551248 is about 870.9011000999.

The spelling of 660551248 in words is "six hundred sixty million, five hundred fifty-one thousand, two hundred forty-eight".