6653553415506 has 16 divisors (see below), whose sum is σ = 14785674256800. Its totient is φ = 2217851138484.

The previous prime is 6653553415499. The next prime is 6653553415541. The reversal of 6653553415506 is 6055143553566.

6653553415506 is a `hidden beast` number, since 6 + 6 + 5 + 3 + 55 + 34 + 1 + 550 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 123213952139 = 6653553415506 / (6 + 6 + 5 + 3 + 5 + 5 + 3 + 4 + 1 + 5 + 5 + 0 + 6).

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 7 ways as a sum of consecutive naturals, for example, 61606976016 + ... + 61606976123.

It is an arithmetic number, because the mean of its divisors is an integer number (924104641050).

Almost surely, 2^{6653553415506} is an apocalyptic number.

6653553415506 is an abundant number, since it is smaller than the sum of its proper divisors (8132120841294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6653553415506 is a wasteful number, since it uses less digits than its factorization.

6653553415506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123213952150 (or 123213952144 counting only the distinct ones).

The product of its (nonzero) digits is 24300000, while the sum is 54.

The spelling of 6653553415506 in words is "six trillion, six hundred fifty-three billion, five hundred fifty-three million, four hundred fifteen thousand, five hundred six".