198235510002 has 16 divisors (see below), whose sum is σ = 440523355680. Its totient is φ = 66078503316.

The previous prime is 198235509961. The next prime is 198235510003. The reversal of 198235510002 is 200015532891.

It is not an unprimeable number, because it can be changed into a prime (198235510003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1835513928 + ... + 1835514035.

It is an arithmetic number, because the mean of its divisors is an integer number (27532709730).

Almost surely, 2^198235510002 is an apocalyptic number.

198235510002 is an abundant number, since it is smaller than the sum of its proper divisors (242287845678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198235510002 is a wasteful number, since it uses less digits than its factorization.

198235510002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671027974 (or 3671027968 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 198235510002 in words is "one hundred ninety-eight billion, two hundred thirty-five million, five hundred ten thousand, two".