198628230837 has 64 divisors (see below), whose sum is σ = 279831674880. Its totient is φ = 125216492544.

The previous prime is 198628230821. The next prime is 198628230841. The reversal of 198628230837 is 738032826891.

It is not a de Polignac number, because 198628230837 - 2⁴ = 198628230821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198628230817) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 111400248 + ... + 111402030.

It is an arithmetic number, because the mean of its divisors is an integer number (4372369920).

Almost surely, 2^198628230837 is an apocalyptic number.

It is an amenable number.

198628230837 is a deficient number, since it is larger than the sum of its proper divisors (81203444043).

198628230837 is a wasteful number, since it uses less digits than its factorization.

198628230837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122.

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 198628230837 in words is "one hundred ninety-eight billion, six hundred twenty-eight million, two hundred thirty thousand, eight hundred thirty-seven".