655386145200 has 180 divisors, whose sum is σ = 2305528680520. Its totient is φ = 172375464960.

The previous prime is 655386145181. The next prime is 655386145231. The reversal of 655386145200 is 2541683556.

655386145200 is a `hidden beast` number, since 6 + 5 + 5 + 3 + 8 + 614 + 5 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (45).

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 35 ways as a sum of consecutive naturals, for example, 984130 + ... + 1509729.

Almost surely, 2^655386145200 is an apocalyptic number.

655386145200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

655386145200 is an abundant number, since it is smaller than the sum of its proper divisors (1650142535320).

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

655386145200 is a wasteful number, since it uses less digits than its factorization.

655386145200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493956 (or 2493942 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 655386145200 in words is "six hundred fifty-five billion, three hundred eighty-six million, one hundred forty-five thousand, two hundred".