2666172933 has 12 divisors (see below), whose sum is σ = 3914272908. Its totient is φ = 1748309760.

The previous prime is 2666172931. The next prime is 2666172961. The reversal of 2666172933 is 3392716662.

It can be written as a sum of positive squares in 2 ways, for example, as 583802244 + 2082370689 = 24162^2 + 45633^2 .

It is not a de Polignac number, because 2666172933 - 2¹ = 2666172931 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666172931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2427660 + ... + 2428757.

It is an arithmetic number, because the mean of its divisors is an integer number (326189409).

Almost surely, 2^2666172933 is an apocalyptic number.

It is an amenable number.

2666172933 is a deficient number, since it is larger than the sum of its proper divisors (1248099975).

2666172933 is a wasteful number, since it uses less digits than its factorization.

2666172933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856484 (or 4856481 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 2666172933 is about 51634.9971724605. The cubic root of 2666172933 is about 1386.6369594677.

The spelling of 2666172933 in words is "two billion, six hundred sixty-six million, one hundred seventy-two thousand, nine hundred thirty-three".