2917166481 has 20 divisors (see below), whose sum is σ = 4439970612. Its totient is φ = 1908080928.

The previous prime is 2917166479. The next prime is 2917166489. The reversal of 2917166481 is 1846617192.

2917166481 is a `hidden beast` number, since 2 + 9 + 1 + 7 + 166 + 481 = 666.

2917166481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2539252881 + 377913600 = 50391^2 + 19440^2 .

It is not a de Polignac number, because 2917166481 - 2¹ = 2917166479 is a prime.

It is a super-2 number, since 2×2917166481² = 17019720555739846722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2917166489) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 335466 + ... + 344051.

Almost surely, 2^2917166481 is an apocalyptic number.

It is an amenable number.

2917166481 is a deficient number, since it is larger than the sum of its proper divisors (1522804131).

2917166481 is an equidigital number, since it uses as much as digits as its factorization.

2917166481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679582 (or 679573 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 2917166481 is about 54010.7996700660. The cubic root of 2917166481 is about 1428.8514227297.

The spelling of 2917166481 in words is "two billion, nine hundred seventeen million, one hundred sixty-six thousand, four hundred eighty-one".