66836143045 has 8 divisors (see below), whose sum is σ = 91660996224. Its totient is φ = 45830498064.

The previous prime is 66836143043. The next prime is 66836143063. The reversal of 66836143045 is 54034163866.

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 66836143045 - 2¹ = 66836143043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66836142986 and 66836143004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66836143043) 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, 954802009 + ... + 954802078.

It is an arithmetic number, because the mean of its divisors is an integer number (11457624528).

Almost surely, 2^66836143045 is an apocalyptic number.

It is an amenable number.

66836143045 is a deficient number, since it is larger than the sum of its proper divisors (24824853179).

66836143045 is a wasteful number, since it uses less digits than its factorization.

66836143045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909604099.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 66836143045 in words is "sixty-six billion, eight hundred thirty-six million, one hundred forty-three thousand, forty-five".