655522323045156 has 192 divisors, whose sum is σ = 1946214923304960. Its totient is φ = 186913735297920.

The previous prime is 655522323045077. The next prime is 655522323045199. The reversal of 655522323045156 is 651540323225556.

655522323045156 is a `hidden beast` number, since 6 + 5 + 5 + 5 + 2 + 232 + 304 + 51 + 56 = 666.

It is a super-2 number, since 2×655522323045156² (a number of 30 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1032240226 + ... + 1032875078.

It is an arithmetic number, because the mean of its divisors is an integer number (10136536058880).

Almost surely, 2^{655522323045156} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655522323045156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (973107461652480).

655522323045156 is an abundant number, since it is smaller than the sum of its proper divisors (1290692600259804).

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

655522323045156 is a wasteful number, since it uses less digits than its factorization.

655522323045156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637631 (or 637623 counting only the distinct ones).

The product of its (nonzero) digits is 32400000, while the sum is 54.

The spelling of 655522323045156 in words is "six hundred fifty-five trillion, five hundred twenty-two billion, three hundred twenty-three million, forty-five thousand, one hundred fifty-six".