2646796218 has 16 divisors (see below), whose sum is σ = 5774828256. Its totient is φ = 802059440.

The previous prime is 2646796177. The next prime is 2646796241. The reversal of 2646796218 is 8126976462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20051421 + ... + 20051552.

It is an arithmetic number, because the mean of its divisors is an integer number (360926766).

Almost surely, 2^2646796218 is an apocalyptic number.

2646796218 is an abundant number, since it is smaller than the sum of its proper divisors (3128032038).

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

2646796218 is a wasteful number, since it uses less digits than its factorization.

2646796218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40102989.

The product of its digits is 1741824, while the sum is 51.

The square root of 2646796218 is about 51447.0234124385. The cubic root of 2646796218 is about 1383.2696081094.

The spelling of 2646796218 in words is "two billion, six hundred forty-six million, seven hundred ninety-six thousand, two hundred eighteen".