2606813172 has 48 divisors (see below), whose sum is σ = 6793476480. Its totient is φ = 864428544.

The previous prime is 2606813149. The next prime is 2606813177. The reversal of 2606813172 is 2713186062.

2606813172 is a `hidden beast` number, since 260 + 6 + 81 + 317 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606813177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41688 + ... + 83375.

It is an arithmetic number, because the mean of its divisors is an integer number (141530760).

Almost surely, 2^2606813172 is an apocalyptic number.

2606813172 is the 41688-th pentagonal number.

It is an amenable number.

2606813172 is an abundant number, since it is smaller than the sum of its proper divisors (4186663308).

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

2606813172 is a wasteful number, since it uses less digits than its factorization.

2606813172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125269 (or 125261 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2606813172 is about 51056.9600740193. The cubic root of 2606813172 is about 1376.2689195478.

The spelling of 2606813172 in words is "two billion, six hundred six million, eight hundred thirteen thousand, one hundred seventy-two".