6606609794 has 4 divisors (see below), whose sum is σ = 9909914694. Its totient is φ = 3303304896.

The previous prime is 6606609781. The next prime is 6606609883. The reversal of 6606609794 is 4979066066.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3735043225 + 2871566569 = 61115^2 + 53587^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1651652447 + ... + 1651652450.

Almost surely, 2^6606609794 is an apocalyptic number.

6606609794 is a deficient number, since it is larger than the sum of its proper divisors (3303304900).

6606609794 is a wasteful number, since it uses less digits than its factorization.

6606609794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303304899.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The square root of 6606609794 is about 81281.0543361736. The cubic root of 6606609794 is about 1876.4034334429.

The spelling of 6606609794 in words is "six billion, six hundred six million, six hundred nine thousand, seven hundred ninety-four".