66046224 has 80 divisors (see below), whose sum is σ = 186952320. Its totient is φ = 19998720.

The previous prime is 66046219. The next prime is 66046231. The reversal of 66046224 is 42264066.

It is a junction number, because it is equal to n+sod(n) for n = 66046191 and 66046200.

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, 22269 + ... + 25059.

It is an arithmetic number, because the mean of its divisors is an integer number (2336904).

Almost surely, 2^66046224 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 66046224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93476160).

66046224 is an abundant number, since it is smaller than the sum of its proper divisors (120906096).

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

66046224 is a wasteful number, since it uses less digits than its factorization.

66046224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848 (or 2842 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 66046224 is about 8126.8827972354. The cubic root of 66046224 is about 404.2183246308.

The spelling of 66046224 in words is "sixty-six million, forty-six thousand, two hundred twenty-four".