203345658061 has 24 divisors (see below), whose sum is σ = 260160768000. Its totient is φ = 157465681632.

The previous prime is 203345658031. The next prime is 203345658071. The reversal of 203345658061 is 160856543302.

It is not a de Polignac number, because 203345658061 - 2⁵ = 203345658029 is a prime.

It is a super-2 number, since 2×203345658061² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203345657999 and 203345658017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203345658031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3366061 + ... + 3425938.

It is an arithmetic number, because the mean of its divisors is an integer number (10840032000).

Almost surely, 2^203345658061 is an apocalyptic number.

It is an amenable number.

203345658061 is a deficient number, since it is larger than the sum of its proper divisors (56815109939).

203345658061 is a wasteful number, since it uses less digits than its factorization.

203345658061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6792073 (or 6792066 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 203345658061 in words is "two hundred three billion, three hundred forty-five million, six hundred fifty-eight thousand, sixty-one".