256033198 has 4 divisors (see below), whose sum is σ = 384049800. Its totient is φ = 128016598.

The previous prime is 256033181. The next prime is 256033231. The reversal of 256033198 is 891330652.

256033198 is digitally balanced in base 2, 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.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64008298 + ... + 64008301.

It is an arithmetic number, because the mean of its divisors is an integer number (96012450).

Almost surely, 2^256033198 is an apocalyptic number.

256033198 is a deficient number, since it is larger than the sum of its proper divisors (128016602).

256033198 is a wasteful number, since it uses less digits than its factorization.

256033198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128016601.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 256033198 is about 16001.0374038685. The cubic root of 256033198 is about 634.9878667572.

The spelling of 256033198 in words is "two hundred fifty-six million, thirty-three thousand, one hundred ninety-eight".