2664663634 has 8 divisors (see below), whose sum is σ = 3997531980. Its totient is φ = 1332152976.

The previous prime is 2664663613. The next prime is 2664663667. The reversal of 2664663634 is 4363664662.

2664663634 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 2288187225 + 376476409 = 47835^2 + 19403^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69949 + ... + 101104.

Almost surely, 2^2664663634 is an apocalyptic number.

2664663634 is a deficient number, since it is larger than the sum of its proper divisors (1332868346).

2664663634 is a wasteful number, since it uses less digits than its factorization.

2664663634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178844.

The product of its digits is 2239488, while the sum is 46.

The square root of 2664663634 is about 51620.3800257224. The cubic root of 2664663634 is about 1386.3752554112.

The spelling of 2664663634 in words is "two billion, six hundred sixty-four million, six hundred sixty-three thousand, six hundred thirty-four".