198681152002 has 4 divisors (see below), whose sum is σ = 298021728006. Its totient is φ = 99340576000.

The previous prime is 198681151973. The next prime is 198681152023. The reversal of 198681152002 is 200251186891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 197527802481 + 1153349521 = 444441^2 + 33961^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 198681152002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49670287999 + ... + 49670288002.

Almost surely, 2^198681152002 is an apocalyptic number.

198681152002 is a deficient number, since it is larger than the sum of its proper divisors (99340576004).

198681152002 is an equidigital number, since it uses as much as digits as its factorization.

198681152002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99340576003.

The product of its (nonzero) digits is 69120, while the sum is 43.

The spelling of 198681152002 in words is "one hundred ninety-eight billion, six hundred eighty-one million, one hundred fifty-two thousand, two".