6664111052 has 6 divisors (see below), whose sum is σ = 11662194348. Its totient is φ = 3332055524.

The previous prime is 6664111031. The next prime is 6664111063. The reversal of 6664111052 is 2501114666.

It is a super-2 number, since 2×6664111052² = 88820752226777093408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 833013878 + ... + 833013885.

It is an arithmetic number, because the mean of its divisors is an integer number (1943699058).

Almost surely, 2^6664111052 is an apocalyptic number.

It is an amenable number.

6664111052 is a deficient number, since it is larger than the sum of its proper divisors (4998083296).

6664111052 is a wasteful number, since it uses less digits than its factorization.

6664111052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666027767 (or 1666027765 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 6664111052 is about 81634.0067128890. The cubic root of 6664111052 is about 1881.8315344775.

The spelling of 6664111052 in words is "six billion, six hundred sixty-four million, one hundred eleven thousand, fifty-two".