203193621160 has 72 divisors (see below), whose sum is σ = 460630325610. Its totient is φ = 80669632320.

The previous prime is 203193621149. The next prime is 203193621161. The reversal of 203193621160 is 61126391302.

203193621160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 182874259044 + 20319362116 = 427638^2 + 142546^2 .

It is a super-2 number, since 2×203193621160² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203193621161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 749791825 + ... + 749792095.

Almost surely, 2^203193621160 is an apocalyptic number.

203193621160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203193621160 is an abundant number, since it is smaller than the sum of its proper divisors (257436704450).

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

203193621160 is an frugal number, since it uses more digits than its factorization.

203193621160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 203193621160 in words is "two hundred three billion, one hundred ninety-three million, six hundred twenty-one thousand, one hundred sixty".