6660651092 has 6 divisors (see below), whose sum is σ = 11656139418. Its totient is φ = 3330325544.

The previous prime is 6660651091. The next prime is 6660651133. The reversal of 6660651092 is 2901560666.

It can be written as a sum of positive squares in only one way, i.e., 6249534916 + 411116176 = 79054^2 + 20276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660651091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 832581383 + ... + 832581390.

It is an arithmetic number, because the mean of its divisors is an integer number (1942689903).

Almost surely, 2^6660651092 is an apocalyptic number.

It is an amenable number.

6660651092 is a deficient number, since it is larger than the sum of its proper divisors (4995488326).

6660651092 is a wasteful number, since it uses less digits than its factorization.

6660651092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665162777 (or 1665162775 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 6660651092 is about 81612.8120579116. The cubic root of 6660651092 is about 1881.5058001601.

The spelling of 6660651092 in words is "six billion, six hundred sixty million, six hundred fifty-one thousand, ninety-two".