198063157061 has 32 divisors (see below), whose sum is σ = 252790487040. Its totient is φ = 150712228800.

The previous prime is 198063157037. The next prime is 198063157081. The reversal of 198063157061 is 160751360891.

It is not a de Polignac number, because 198063157061 - 2¹⁰ = 198063156037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 198063156997 and 198063157015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198063157081) 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, 501200 + ... + 804566.

It is an arithmetic number, because the mean of its divisors is an integer number (7899702720).

Almost surely, 2^198063157061 is an apocalyptic number.

198063157061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

198063157061 is a deficient number, since it is larger than the sum of its proper divisors (54727329979).

198063157061 is a wasteful number, since it uses less digits than its factorization.

198063157061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303585.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 198063157061 in words is "one hundred ninety-eight billion, sixty-three million, one hundred fifty-seven thousand, sixty-one".