147805668228 has 12 divisors (see below), whose sum is σ = 344879892560. Its totient is φ = 49268556072.

The previous prime is 147805668181. The next prime is 147805668233. The reversal of 147805668228 is 822866508741.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 6158569498 + ... + 6158569521.

Almost surely, 2^147805668228 is an apocalyptic number.

It is an amenable number.

147805668228 is an abundant number, since it is smaller than the sum of its proper divisors (197074224332).

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

147805668228 is a wasteful number, since it uses less digits than its factorization.

147805668228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12317139026 (or 12317139024 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 147805668228 in words is "one hundred forty-seven billion, eight hundred five million, six hundred sixty-eight thousand, two hundred twenty-eight".