6666444602 has 8 divisors (see below), whose sum is σ = 10098673812. Its totient is φ = 3300220000.

The previous prime is 6666444593. The next prime is 6666444613. The reversal of 6666444602 is 2064446666.

It can be written as a sum of positive squares in 2 ways, for example, as 4523773081 + 2142671521 = 67259^2 + 46289^2 .

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, 16500899 + ... + 16501302.

Almost surely, 2^6666444602 is an apocalyptic number.

6666444602 is a deficient number, since it is larger than the sum of its proper divisors (3432229210).

6666444602 is a wasteful number, since it uses less digits than its factorization.

6666444602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33002304.

The product of its (nonzero) digits is 995328, while the sum is 44.

The square root of 6666444602 is about 81648.2982186402. The cubic root of 6666444602 is about 1882.0511604448.

The spelling of 6666444602 in words is "six billion, six hundred sixty-six million, four hundred forty-four thousand, six hundred two".