2641766764 has 72 divisors (see below), whose sum is σ = 6022544640. Its totient is φ = 990055872.

The previous prime is 2641766749. The next prime is 2641766767. The reversal of 2641766764 is 4676671462.

It is not an unprimeable number, because it can be changed into a prime (2641766767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75217 + ... + 104599.

Almost surely, 2^2641766764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2641766764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3011272320).

2641766764 is an abundant number, since it is smaller than the sum of its proper divisors (3380777876).

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

2641766764 is a wasteful number, since it uses less digits than its factorization.

2641766764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29439 (or 29424 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 49.

The square root of 2641766764 is about 51398.1202380009. The cubic root of 2641766764 is about 1382.3928875286.

The spelling of 2641766764 in words is "two billion, six hundred forty-one million, seven hundred sixty-six thousand, seven hundred sixty-four".