66006206426424 has 64 divisors (see below), whose sum is σ = 180018210240000. Its totient is φ = 20001738110720.

The previous prime is 66006206426417. The next prime is 66006206426441. The reversal of 66006206426424 is 42462460260066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39695857 + ... + 41325215.

It is an arithmetic number, because the mean of its divisors is an integer number (2812784535000).

Almost surely, 2^{66006206426424} is an apocalyptic number.

It is an amenable number.

66006206426424 is an abundant number, since it is smaller than the sum of its proper divisors (114012003813576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66006206426424 is a wasteful number, since it uses less digits than its factorization.

66006206426424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782828 (or 1782824 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 66006206426424 in words is "sixty-six trillion, six billion, two hundred six million, four hundred twenty-six thousand, four hundred twenty-four".