6662537361 has 8 divisors (see below), whose sum is σ = 9870425760. Its totient is φ = 4441691556.

The previous prime is 6662537353. The next prime is 6662537363. The reversal of 6662537361 is 1637352666.

It is not a de Polignac number, because 6662537361 - 2³ = 6662537353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6662537363) 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 in 7 ways as a sum of consecutive naturals, for example, 123380295 + ... + 123380348.

It is an arithmetic number, because the mean of its divisors is an integer number (1233803220).

Almost surely, 2^6662537361 is an apocalyptic number.

It is an amenable number.

6662537361 is a deficient number, since it is larger than the sum of its proper divisors (3207888399).

6662537361 is a wasteful number, since it uses less digits than its factorization.

6662537361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246760652 (or 246760646 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The square root of 6662537361 is about 81624.3674462473. The cubic root of 6662537361 is about 1881.6833949650.

The spelling of 6662537361 in words is "six billion, six hundred sixty-two million, five hundred thirty-seven thousand, three hundred sixty-one".