133217507660 has 48 divisors (see below), whose sum is σ = 304218833184. Its totient is φ = 48796996608.

The previous prime is 133217507659. The next prime is 133217507663. The reversal of 133217507660 is 66705712331.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (133217507663) 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 15 ways as a sum of consecutive naturals, for example, 5282234 + ... + 5307393.

It is an arithmetic number, because the mean of its divisors is an integer number (6337892358).

Almost surely, 2^133217507660 is an apocalyptic number.

133217507660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133217507660 is an abundant number, since it is smaller than the sum of its proper divisors (171001325524).

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

133217507660 is a wasteful number, since it uses less digits than its factorization.

133217507660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10589690 (or 10589688 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 133217507660 in words is "one hundred thirty-three billion, two hundred seventeen million, five hundred seven thousand, six hundred sixty".