2666831163 has 8 divisors (see below), whose sum is σ = 3710373888. Its totient is φ = 1700587944.

The previous prime is 2666831161. The next prime is 2666831171. The reversal of 2666831163 is 3611386662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2666831163 - 2¹ = 2666831161 is a prime.

It is a super-2 number, since 2×2666831163² = 14223976903895865138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666831161) 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, 19324795 + ... + 19324932.

It is an arithmetic number, because the mean of its divisors is an integer number (463796736).

Almost surely, 2^2666831163 is an apocalyptic number.

2666831163 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2666831163 is a deficient number, since it is larger than the sum of its proper divisors (1043542725).

2666831163 is a wasteful number, since it uses less digits than its factorization.

2666831163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38649753.

The product of its digits is 186624, while the sum is 42.

The square root of 2666831163 is about 51641.3706537694. The cubic root of 2666831163 is about 1386.7510619618.

The spelling of 2666831163 in words is "two billion, six hundred sixty-six million, eight hundred thirty-one thousand, one hundred sixty-three".