2641166464 has 32 divisors (see below), whose sum is σ = 5269577040. Its totient is φ = 1318606080.

The previous prime is 2641166453. The next prime is 2641166467. The reversal of 2641166464 is 4646611462.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (2641166467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72319 + ... + 102529.

Almost surely, 2^2641166464 is an apocalyptic number.

It is an amenable number.

2641166464 is a deficient number, since it is larger than the sum of its proper divisors (2628410576).

2641166464 is an equidigital number, since it uses as much as digits as its factorization.

2641166464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30908 (or 30896 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 2641166464 is about 51392.2801984890. The cubic root of 2641166464 is about 1382.2881705734.

The spelling of 2641166464 in words is "two billion, six hundred forty-one million, one hundred sixty-six thousand, four hundred sixty-four".