6653361845 has 32 divisors (see below), whose sum is σ = 8714170080. Its totient is φ = 4876285440.

The previous prime is 6653361829. The next prime is 6653361851. The reversal of 6653361845 is 5481633566.

6653361845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 5858065444 + 795296401 = 76538^2 + 28201^2 .

It is not a de Polignac number, because 6653361845 - 2⁴ = 6653361829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6653361845.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1502735 + ... + 1507155.

It is an arithmetic number, because the mean of its divisors is an integer number (272317815).

Almost surely, 2^6653361845 is an apocalyptic number.

6653361845 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6653361845 is a deficient number, since it is larger than the sum of its proper divisors (2060808235).

6653361845 is a wasteful number, since it uses less digits than its factorization.

6653361845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602 (or 4576 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

The square root of 6653361845 is about 81568.1423412352. The cubic root of 6653361845 is about 1880.8191922798.

The spelling of 6653361845 in words is "six billion, six hundred fifty-three million, three hundred sixty-one thousand, eight hundred forty-five".