133332504660 has 72 divisors (see below), whose sum is σ = 422026375680. Its totient is φ = 34009449408.

The previous prime is 133332504611. The next prime is 133332504667. The reversal of 133332504660 is 66405233331.

133332504660 is a `hidden beast` number, since 13 + 333 + 250 + 4 + 6 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133332504667) 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, 16098820 + ... + 16107099.

It is an arithmetic number, because the mean of its divisors is an integer number (5861477440).

Almost surely, 2^133332504660 is an apocalyptic number.

133332504660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133332504660 is an abundant number, since it is smaller than the sum of its proper divisors (288693871020).

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

133332504660 is a wasteful number, since it uses less digits than its factorization.

133332504660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32205957 (or 32205952 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

Adding to 133332504660 its reverse (66405233331), we get a palindrome (199737737991).

The spelling of 133332504660 in words is "one hundred thirty-three billion, three hundred thirty-two million, five hundred four thousand, six hundred sixty".