6608991373 has 4 divisors (see below), whose sum is σ = 6896338848. Its totient is φ = 6321643900.

The previous prime is 6608991371. The next prime is 6608991379. The reversal of 6608991373 is 3731998066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6608991373 - 2¹ = 6608991371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6608991373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6608991371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143673703 + ... + 143673748.

It is an arithmetic number, because the mean of its divisors is an integer number (1724084712).

Almost surely, 2^6608991373 is an apocalyptic number.

It is an amenable number.

6608991373 is a deficient number, since it is larger than the sum of its proper divisors (287347475).

6608991373 is a wasteful number, since it uses less digits than its factorization.

6608991373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287347474.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 6608991373 is about 81295.7032874432. The cubic root of 6608991373 is about 1876.6288776713.

The spelling of 6608991373 in words is "six billion, six hundred eight million, nine hundred ninety-one thousand, three hundred seventy-three".