203053639168 has 40 divisors (see below), whose sum is σ = 405753594840. Its totient is φ = 101516083200.

The previous prime is 203053639157. The next prime is 203053639207. The reversal of 203053639168 is 861936350302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7359543 + ... + 7387081.

It is an arithmetic number, because the mean of its divisors is an integer number (10143839871).

Almost surely, 2^203053639168 is an apocalyptic number.

It is an amenable number.

203053639168 is a deficient number, since it is larger than the sum of its proper divisors (202699955672).

203053639168 is an equidigital number, since it uses as much as digits as its factorization.

203053639168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41958 (or 41942 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 203053639168 in words is "two hundred three billion, fifty-three million, six hundred thirty-nine thousand, one hundred sixty-eight".