203162232990 has 16 divisors (see below), whose sum is σ = 487589359248. Its totient is φ = 54176595456.

The previous prime is 203162232983. The next prime is 203162233003. The reversal of 203162232990 is 99232261302.

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, 3386037187 + ... + 3386037246.

It is an arithmetic number, because the mean of its divisors is an integer number (30474334953).

Almost surely, 2^203162232990 is an apocalyptic number.

203162232990 is an abundant number, since it is smaller than the sum of its proper divisors (284427126258).

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

203162232990 is a wasteful number, since it uses less digits than its factorization.

203162232990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772074443.

The product of its (nonzero) digits is 69984, while the sum is 39.

The spelling of 203162232990 in words is "two hundred three billion, one hundred sixty-two million, two hundred thirty-two thousand, nine hundred ninety".