2066625671228 has 24 divisors (see below), whose sum is σ = 3648048366144. Its totient is φ = 1024362158400.

The previous prime is 2066625671221. The next prime is 2066625671233. The reversal of 2066625671228 is 8221765266602.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2066625671228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066625671221) 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, 4272788 + ... + 4731803.

It is an arithmetic number, because the mean of its divisors is an integer number (152002015256).

Almost surely, 2^{2066625671228} is an apocalyptic number.

It is an amenable number.

2066625671228 is a deficient number, since it is larger than the sum of its proper divisors (1581422694916).

2066625671228 is a wasteful number, since it uses less digits than its factorization.

2066625671228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005093 (or 9005091 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 2066625671228 in words is "two trillion, sixty-six billion, six hundred twenty-five million, six hundred seventy-one thousand, two hundred twenty-eight".