66344523124 has 36 divisors (see below), whose sum is σ = 127643406912. Its totient is φ = 30150421840.

The previous prime is 66344523101. The next prime is 66344523131. The reversal of 66344523124 is 42132544366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3032007 + ... + 3053809.

It is an arithmetic number, because the mean of its divisors is an integer number (3545650192).

Almost surely, 2^66344523124 is an apocalyptic number.

It is an amenable number.

66344523124 is a deficient number, since it is larger than the sum of its proper divisors (61298883788).

66344523124 is a wasteful number, since it uses less digits than its factorization.

66344523124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28116 (or 28103 counting only the distinct ones).

The product of its digits is 414720, while the sum is 40.

The spelling of 66344523124 in words is "sixty-six billion, three hundred forty-four million, five hundred twenty-three thousand, one hundred twenty-four".