6636232045 has 16 divisors (see below), whose sum is σ = 8063118000. Its totient is φ = 5242710528.

The previous prime is 6636232033. The next prime is 6636232117. The reversal of 6636232045 is 5402326366.

It can be written as a sum of positive squares in 8 ways, for example, as 19873764 + 6616358281 = 4458^2 + 81341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6636232045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6636231995 and 6636232013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359911 + ... + 377899.

It is an arithmetic number, because the mean of its divisors is an integer number (503944875).

Almost surely, 2^6636232045 is an apocalyptic number.

It is an amenable number.

6636232045 is a deficient number, since it is larger than the sum of its proper divisors (1426885955).

6636232045 is a wasteful number, since it uses less digits than its factorization.

6636232045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18912.

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 6636232045 is about 81463.0716644051. The cubic root of 6636232045 is about 1879.2036808741.

The spelling of 6636232045 in words is "six billion, six hundred thirty-six million, two hundred thirty-two thousand, forty-five".