6600552722 has 4 divisors (see below), whose sum is σ = 9900829086. Its totient is φ = 3300276360.

The previous prime is 6600552691. The next prime is 6600552737. The reversal of 6600552722 is 2272550066.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2272550066 = 2 ⋅1136275033.

It can be written as a sum of positive squares in only one way, i.e., 4844020801 + 1756531921 = 69599^2 + 41911^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650138179 + ... + 1650138182.

Almost surely, 2^6600552722 is an apocalyptic number.

6600552722 is a deficient number, since it is larger than the sum of its proper divisors (3300276364).

6600552722 is a wasteful number, since it uses less digits than its factorization.

6600552722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300276363.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 6600552722 is about 81243.7857438955. The cubic root of 6600552722 is about 1875.8298167066.

The spelling of 6600552722 in words is "six billion, six hundred million, five hundred fifty-two thousand, seven hundred twenty-two".