3666637622 has 16 divisors (see below), whose sum is σ = 5848925760. Its totient is φ = 1717938048.

The previous prime is 3666637607. The next prime is 3666637627. The reversal of 3666637622 is 2267366663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666637627) 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 7 ways as a sum of consecutive naturals, for example, 227678 + ... + 243249.

It is an arithmetic number, because the mean of its divisors is an integer number (365557860).

Almost surely, 2^3666637622 is an apocalyptic number.

3666637622 is a deficient number, since it is larger than the sum of its proper divisors (2182288138).

3666637622 is a wasteful number, since it uses less digits than its factorization.

3666637622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471175.

The product of its digits is 1959552, while the sum is 47.

The square root of 3666637622 is about 60552.7672530331. The cubic root of 3666637622 is about 1542.0175981254.

The spelling of 3666637622 in words is "three billion, six hundred sixty-six million, six hundred thirty-seven thousand, six hundred twenty-two".