80146556228 has 6 divisors (see below), whose sum is σ = 140256473406. Its totient is φ = 40073278112.

The previous prime is 80146556221. The next prime is 80146556249. The reversal of 80146556228 is 82265564108.

It can be written as a sum of positive squares in only one way, i.e., 72335178304 + 7811377924 = 268952^2 + 88382^2 .

It is not an unprimeable number, because it can be changed into a prime (80146556221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10018319525 + ... + 10018319532.

It is an arithmetic number, because the mean of its divisors is an integer number (23376078901).

Almost surely, 2^80146556228 is an apocalyptic number.

It is an amenable number.

80146556228 is a deficient number, since it is larger than the sum of its proper divisors (60109917178).

80146556228 is a wasteful number, since it uses less digits than its factorization.

80146556228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20036639061 (or 20036639059 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 80146556228 in words is "eighty billion, one hundred forty-six million, five hundred fifty-six thousand, two hundred twenty-eight".