66070054959 has 4 divisors (see below), whose sum is σ = 88093406616. Its totient is φ = 44046703304.

The previous prime is 66070054951. The next prime is 66070054961. The reversal of 66070054959 is 95945007066.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66070054959 - 2³ = 66070054951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66070054951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11011675824 + ... + 11011675829.

It is an arithmetic number, because the mean of its divisors is an integer number (22023351654).

Almost surely, 2^66070054959 is an apocalyptic number.

66070054959 is a deficient number, since it is larger than the sum of its proper divisors (22023351657).

66070054959 is a wasteful number, since it uses less digits than its factorization.

66070054959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22023351656.

The product of its (nonzero) digits is 2041200, while the sum is 51.

The spelling of 66070054959 in words is "sixty-six billion, seventy million, fifty-four thousand, nine hundred fifty-nine".