178850228002656 has 96 divisors (see below), whose sum is σ = 536553538311168. Its totient is φ = 51099793305600.

The previous prime is 178850228002651. The next prime is 178850228002673. The reversal of 178850228002656 is 656200822058871.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×178850228002656² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 178850228002656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (178850228002651) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 149361136 + ... + 150553808.

It is an arithmetic number, because the mean of its divisors is an integer number (5589099357408).

Almost surely, 2^{178850228002656} is an apocalyptic number.

178850228002656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

178850228002656 is an abundant number, since it is smaller than the sum of its proper divisors (357703310308512).

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

178850228002656 is a wasteful number, since it uses less digits than its factorization.

178850228002656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415844 (or 1415836 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 60.

The spelling of 178850228002656 in words is "one hundred seventy-eight trillion, eight hundred fifty billion, two hundred twenty-eight million, two thousand, six hundred fifty-six".