198332063881 has 32 divisors (see below), whose sum is σ = 241012703232. Its totient is φ = 159324192000.

The previous prime is 198332063869. The next prime is 198332063929. The reversal of 198332063881 is 188360233891.

It is a cyclic number.

It is not a de Polignac number, because 198332063881 - 2¹⁵ = 198332031113 is a prime.

It is a super-2 number, since 2×198332063881² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (198332063581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32795400 + ... + 32801446.

It is an arithmetic number, because the mean of its divisors is an integer number (7531646976).

Almost surely, 2^198332063881 is an apocalyptic number.

It is an amenable number.

198332063881 is a deficient number, since it is larger than the sum of its proper divisors (42680639351).

198332063881 is a wasteful number, since it uses less digits than its factorization.

198332063881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 198332063881 in words is "one hundred ninety-eight billion, three hundred thirty-two million, sixty-three thousand, eight hundred eighty-one".