66424602224 has 40 divisors (see below), whose sum is σ = 139841287680. Its totient is φ = 30449304000.

The previous prime is 66424602217. The next prime is 66424602227. The reversal of 66424602224 is 42220642466.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66424602227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3514802 + ... + 3533649.

It is an arithmetic number, because the mean of its divisors is an integer number (3496032192).

Almost surely, 2^66424602224 is an apocalyptic number.

It is an amenable number.

66424602224 is an abundant number, since it is smaller than the sum of its proper divisors (73416685456).

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

66424602224 is a wasteful number, since it uses less digits than its factorization.

66424602224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048509 (or 7048503 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 66424602224 in words is "sixty-six billion, four hundred twenty-four million, six hundred two thousand, two hundred twenty-four".