198070655 has 16 divisors (see below), whose sum is σ = 252266400. Its totient is φ = 148780032.

The previous prime is 198070603. The next prime is 198070669. The reversal of 198070655 is 556070891.

It is a cyclic number.

It is not a de Polignac number, because 198070655 - 2⁸ = 198070399 is a prime.

It is a congruent 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, 36296 + ... + 41394.

It is an arithmetic number, because the mean of its divisors is an integer number (15766650).

Almost surely, 2^198070655 is an apocalyptic number.

198070655 is a deficient number, since it is larger than the sum of its proper divisors (54195745).

198070655 is a wasteful number, since it uses less digits than its factorization.

198070655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 198070655 is about 14073.7576716384. The cubic root of 198070655 is about 582.9169885349.

The spelling of 198070655 in words is "one hundred ninety-eight million, seventy thousand, six hundred fifty-five".