198366601142 has 4 divisors (see below), whose sum is σ = 297549901716. Its totient is φ = 99183300570.

The previous prime is 198366601141. The next prime is 198366601157. The reversal of 198366601142 is 241106663891.

198366601142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241106663891 = 103 ⋅2340841397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198366601141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49591650284 + ... + 49591650287.

It is an arithmetic number, because the mean of its divisors is an integer number (74387475429).

Almost surely, 2^198366601142 is an apocalyptic number.

198366601142 is a deficient number, since it is larger than the sum of its proper divisors (99183300574).

198366601142 is an equidigital number, since it uses as much as digits as its factorization.

198366601142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99183300573.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 198366601142 in words is "one hundred ninety-eight billion, three hundred sixty-six million, six hundred one thousand, one hundred forty-two".