66624241093 has 8 divisors (see below), whose sum is σ = 67114493600. Its totient is φ = 66134145168.

The previous prime is 66624241091. The next prime is 66624241097. The reversal of 66624241093 is 39014242666.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66624241093 - 2¹ = 66624241091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66624241091) 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, 896830 + ... + 968272.

It is an arithmetic number, because the mean of its divisors is an integer number (8389311700).

Almost surely, 2^66624241093 is an apocalyptic number.

It is an amenable number.

66624241093 is a deficient number, since it is larger than the sum of its proper divisors (490252507).

66624241093 is a wasteful number, since it uses less digits than its factorization.

66624241093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78291.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 66624241093 in words is "sixty-six billion, six hundred twenty-four million, two hundred forty-one thousand, ninety-three".