66437124 has 24 divisors (see below), whose sum is σ = 166944960. Its totient is φ = 20442144.

The previous prime is 66437117. The next prime is 66437149. The reversal of 66437124 is 42173466.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212784 + ... + 213095.

It is an arithmetic number, because the mean of its divisors is an integer number (6956040).

Almost surely, 2^66437124 is an apocalyptic number.

It is an amenable number.

66437124 is an abundant number, since it is smaller than the sum of its proper divisors (100507836).

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

66437124 is a wasteful number, since it uses less digits than its factorization.

66437124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425899 (or 425897 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 66437124 is about 8150.8971285374. The cubic root of 66437124 is about 405.0142229421.

The spelling of 66437124 in words is "sixty-six million, four hundred thirty-seven thousand, one hundred twenty-four".