66208124 has 12 divisors (see below), whose sum is σ = 115947048. Its totient is φ = 33080400.

The previous prime is 66208123. The next prime is 66208147. The reversal of 66208124 is 42180266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66208123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1379 + ... + 11589.

It is an arithmetic number, because the mean of its divisors is an integer number (9662254).

Almost surely, 2^66208124 is an apocalyptic number.

It is an amenable number.

66208124 is a deficient number, since it is larger than the sum of its proper divisors (49738924).

66208124 is a wasteful number, since it uses less digits than its factorization.

66208124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11836 (or 11834 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 66208124 is about 8136.8374691891. The cubic root of 66208124 is about 404.5483437284.

The spelling of 66208124 in words is "sixty-six million, two hundred eight thousand, one hundred twenty-four".