233525561164 has 48 divisors (see below), whose sum is σ = 492382130688. Its totient is φ = 94744032768.

The previous prime is 233525561099. The next prime is 233525561183. The reversal of 233525561164 is 461165525332.

It is a super-2 number, since 2×233525561164² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 233525561164.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1806694 + ... + 1931629.

It is an arithmetic number, because the mean of its divisors is an integer number (10257961056).

Almost surely, 2^233525561164 is an apocalyptic number.

It is an amenable number.

233525561164 is an abundant number, since it is smaller than the sum of its proper divisors (258856569524).

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

233525561164 is a wasteful number, since it uses less digits than its factorization.

233525561164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738454 (or 3738452 counting only the distinct ones).

The product of its digits is 648000, while the sum is 43.

The spelling of 233525561164 in words is "two hundred thirty-three billion, five hundred twenty-five million, five hundred sixty-one thousand, one hundred sixty-four".