198063745 has 16 divisors (see below), whose sum is σ = 260885952. Its totient is φ = 143156160.

The previous prime is 198063731. The next prime is 198063769. The reversal of 198063745 is 547360891.

198063745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 198063745 - 2⁵ = 198063713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2082 + ... + 20011.

It is an arithmetic number, because the mean of its divisors is an integer number (16305372).

Almost surely, 2^198063745 is an apocalyptic number.

It is an amenable number.

198063745 is a deficient number, since it is larger than the sum of its proper divisors (62822207).

198063745 is a wasteful number, since it uses less digits than its factorization.

198063745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22272.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 198063745 is about 14073.5121771362. The cubic root of 198063745 is about 582.9102098036.

The spelling of 198063745 in words is "one hundred ninety-eight million, sixty-three thousand, seven hundred forty-five".