66360288 has 48 divisors (see below), whose sum is σ = 174741840. Its totient is φ = 22050816.

The previous prime is 66360251. The next prime is 66360317. The reversal of 66360288 is 88206366.

It is a tau number, because it is divible by the number of its divisors (48).

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, 36456 + ... + 38232.

It is an arithmetic number, because the mean of its divisors is an integer number (3640455).

Almost surely, 2^66360288 is an apocalyptic number.

It is an amenable number.

66360288 is an abundant number, since it is smaller than the sum of its proper divisors (108381552).

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

66360288 is a wasteful number, since it uses less digits than its factorization.

66360288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179 (or 2171 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 66360288 is about 8146.1824187775. The cubic root of 66360288 is about 404.8580267496.

The spelling of 66360288 in words is "sixty-six million, three hundred sixty thousand, two hundred eighty-eight".