66457160 has 64 divisors (see below), whose sum is σ = 186433920. Its totient is φ = 20712960.

The previous prime is 66457159. The next prime is 66457163. The reversal of 66457160 is 6175466.

66457160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 66457160.

It is not an unprimeable number, because it can be changed into a prime (66457163) 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, 7709 + ... + 13868.

It is an arithmetic number, because the mean of its divisors is an integer number (2913030).

Almost surely, 2^66457160 is an apocalyptic number.

It is an amenable number.

66457160 is an abundant number, since it is smaller than the sum of its proper divisors (119976760).

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

66457160 is a wasteful number, since it uses less digits than its factorization.

66457160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21606 (or 21602 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 66457160 is about 8152.1261030482. The cubic root of 66457160 is about 405.0549333605.

The spelling of 66457160 in words is "sixty-six million, four hundred fifty-seven thousand, one hundred sixty".