66124430 has 16 divisors (see below), whose sum is σ = 120701664. Its totient is φ = 26076960.

The previous prime is 66124417. The next prime is 66124433. The reversal of 66124430 is 3442166.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66124430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66124433) 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, 45857 + ... + 47276.

It is an arithmetic number, because the mean of its divisors is an integer number (7543854).

Almost surely, 2^66124430 is an apocalyptic number.

66124430 is a deficient number, since it is larger than the sum of its proper divisors (54577234).

66124430 is a wasteful number, since it uses less digits than its factorization.

66124430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93211.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 66124430 is about 8131.6929356684. The cubic root of 66124430 is about 404.3778080305.

Adding to 66124430 its reverse (3442166), we get a palindrome (69566596).

The spelling of 66124430 in words is "sixty-six million, one hundred twenty-four thousand, four hundred thirty".