6664510052 has 6 divisors (see below), whose sum is σ = 11662892598. Its totient is φ = 3332255024.

The previous prime is 6664510049. The next prime is 6664510057. The reversal of 6664510052 is 2500154666.

It can be written as a sum of positive squares in only one way, i.e., 6597663076 + 66846976 = 81226^2 + 8176^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6664509994 and 6664510021.

It is not an unprimeable number, because it can be changed into a prime (6664510057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 833063753 + ... + 833063760.

It is an arithmetic number, because the mean of its divisors is an integer number (1943815433).

Almost surely, 2^6664510052 is an apocalyptic number.

It is an amenable number.

6664510052 is a deficient number, since it is larger than the sum of its proper divisors (4998382546).

6664510052 is a wasteful number, since it uses less digits than its factorization.

6664510052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666127517 (or 1666127515 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 6664510052 is about 81636.4505107859. The cubic root of 6664510052 is about 1881.8690906642.

The spelling of 6664510052 in words is "six billion, six hundred sixty-four million, five hundred ten thousand, fifty-two".