655545143132226 has 64 divisors (see below), whose sum is σ = 1595647407283200. Its totient is φ = 198569455112448.

The previous prime is 655545143132221. The next prime is 655545143132233. The reversal of 655545143132226 is 622231341545556.

It is a happy number.

655545143132226 is a `hidden beast` number, since 6 + 5 + 5 + 54 + 51 + 4 + 313 + 2 + 226 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (655545143132221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12312067570 + ... + 12312120813.

It is an arithmetic number, because the mean of its divisors is an integer number (24931990738800).

Almost surely, 2^{655545143132226} is an apocalyptic number.

655545143132226 is an abundant number, since it is smaller than the sum of its proper divisors (940102264150974).

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

655545143132226 is a wasteful number, since it uses less digits than its factorization.

655545143132226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24624188440 (or 24624188434 counting only the distinct ones).

The product of its digits is 25920000, while the sum is 54.

The spelling of 655545143132226 in words is "six hundred fifty-five trillion, five hundred forty-five billion, one hundred forty-three million, one hundred thirty-two thousand, two hundred twenty-six".