66492160 has 144 divisors (see below), whose sum is σ = 187492032. Its totient is φ = 22118400.

The previous prime is 66492143. The next prime is 66492161. The reversal of 66492160 is 6129466.

66492160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66492161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367270 + ... + 367450.

It is an arithmetic number, because the mean of its divisors is an integer number (1302028).

Almost surely, 2^66492160 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 66492160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93746016).

66492160 is an abundant number, since it is smaller than the sum of its proper divisors (120999872).

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

66492160 is a wasteful number, since it uses less digits than its factorization.

66492160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 66492160 is about 8154.2724997390. The cubic root of 66492160 is about 405.1260289586.

The spelling of 66492160 in words is "sixty-six million, four hundred ninety-two thousand, one hundred sixty".