66433624485 has 16 divisors (see below), whose sum is σ = 106970833536. Its totient is φ = 35205588288.

The previous prime is 66433624483. The next prime is 66433624549. The reversal of 66433624485 is 58442633466.

It is not a de Polignac number, because 66433624485 - 2¹ = 66433624483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66433624483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14102449 + ... + 14107158.

It is an arithmetic number, because the mean of its divisors is an integer number (6685677096).

Almost surely, 2^66433624485 is an apocalyptic number.

It is an amenable number.

66433624485 is a deficient number, since it is larger than the sum of its proper divisors (40537209051).

66433624485 is a wasteful number, since it uses less digits than its factorization.

66433624485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28209772.

The product of its digits is 9953280, while the sum is 51.

The spelling of 66433624485 in words is "sixty-six billion, four hundred thirty-three million, six hundred twenty-four thousand, four hundred eighty-five".