230161998 has 16 divisors (see below), whose sum is σ = 502171776. Its totient is φ = 69746040.

The previous prime is 230161969. The next prime is 230162003. The reversal of 230161998 is 899161032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1743586 + ... + 1743717.

It is an arithmetic number, because the mean of its divisors is an integer number (31385736).

Almost surely, 2^230161998 is an apocalyptic number.

230161998 is an abundant number, since it is smaller than the sum of its proper divisors (272009778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230161998 is a wasteful number, since it uses less digits than its factorization.

230161998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487319.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 230161998 is about 15171.0908638766. The cubic root of 230161998 is about 612.8363815469.

The spelling of 230161998 in words is "two hundred thirty million, one hundred sixty-one thousand, nine hundred ninety-eight".