220173189698 has 162 divisors, whose sum is σ = 439503312339. Its totient is φ = 82417381200.

The previous prime is 220173189641. The next prime is 220173189767. The reversal of 220173189698 is 896981371022.

It can be written as a sum of positive squares in only one way, i.e., 110086594849 + 110086594849 = 331793^2 + 331793^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=331793.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1583979713 + ... + 1583979851.

Almost surely, 2^220173189698 is an apocalyptic number.

220173189698 is a deficient number, since it is larger than the sum of its proper divisors (219330122641).

220173189698 is a wasteful number, since it uses less digits than its factorization.

220173189698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 220173189698 in words is "two hundred twenty billion, one hundred seventy-three million, one hundred eighty-nine thousand, six hundred ninety-eight".