66667624101 has 16 divisors (see below), whose sum is σ = 106364301120. Its totient is φ = 41026230000.

The previous prime is 66667624087. The next prime is 66667624141. The reversal of 66667624101 is 10142676666.

It is not a de Polignac number, because 66667624101 - 2⁵ = 66667624069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66667624141) 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, 94967775 + ... + 94968476.

It is an arithmetic number, because the mean of its divisors is an integer number (6647768820).

Almost surely, 2^66667624101 is an apocalyptic number.

It is an amenable number.

66667624101 is a deficient number, since it is larger than the sum of its proper divisors (39696677019).

66667624101 is a wasteful number, since it uses less digits than its factorization.

66667624101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189936273 (or 189936267 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 66667624101 in words is "sixty-six billion, six hundred sixty-seven million, six hundred twenty-four thousand, one hundred one".