203162982868 has 24 divisors (see below), whose sum is σ = 374263898400. Its totient is φ = 96230906208.

The previous prime is 203162982863. The next prime is 203162982901. The reversal of 203162982868 is 868289261302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203162982863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2349171 + ... + 2434117.

It is an arithmetic number, because the mean of its divisors is an integer number (15594329100).

Almost surely, 2^203162982868 is an apocalyptic number.

It is an amenable number.

203162982868 is a deficient number, since it is larger than the sum of its proper divisors (171100915532).

203162982868 is a wasteful number, since it uses less digits than its factorization.

203162982868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116439 (or 116437 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 203162982868 in words is "two hundred three billion, one hundred sixty-two million, nine hundred eighty-two thousand, eight hundred sixty-eight".