66501160 has 64 divisors (see below), whose sum is σ = 164073600. Its totient is φ = 24057600.

The previous prime is 66501151. The next prime is 66501187. The reversal of 66501160 is 6110566.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157750 + ... + 158170.

It is an arithmetic number, because the mean of its divisors is an integer number (2563650).

Almost surely, 2^66501160 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 66501160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82036800).

66501160 is an abundant number, since it is smaller than the sum of its proper divisors (97572440).

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

66501160 is a wasteful number, since it uses less digits than its factorization.

66501160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 66501160 is about 8154.8243390033. The cubic root of 66501160 is about 405.1443066511.

The spelling of 66501160 in words is "sixty-six million, five hundred one thousand, one hundred sixty".