133001610660 has 48 divisors (see below), whose sum is σ = 413782790400. Its totient is φ = 35467096032.

The previous prime is 133001610631. The next prime is 133001610691. The reversal of 133001610660 is 66016100331.

It is a happy number.

133001610660 is a `hidden beast` number, since 13 + 30 + 0 + 1 + 610 + 6 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 123149100 + ... + 123150179.

It is an arithmetic number, because the mean of its divisors is an integer number (8620474800).

Almost surely, 2^133001610660 is an apocalyptic number.

133001610660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133001610660 is an abundant number, since it is smaller than the sum of its proper divisors (280781179740).

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

133001610660 is a wasteful number, since it uses less digits than its factorization.

133001610660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246299297 (or 246299289 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 133001610660 its reverse (66016100331), we get a palindrome (199017710991).

The spelling of 133001610660 in words is "one hundred thirty-three billion, one million, six hundred ten thousand, six hundred sixty".