158660133 has 12 divisors (see below), whose sum is σ = 224724000. Its totient is φ = 99550912.

The previous prime is 158660123. The next prime is 158660137. The reversal of 158660133 is 331066851.

It is not a de Polignac number, because 158660133 - 2⁶ = 158660069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158660094 and 158660103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158660137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90633 + ... + 92366.

It is an arithmetic number, because the mean of its divisors is an integer number (18727000).

Almost surely, 2^158660133 is an apocalyptic number.

It is an amenable number.

158660133 is a deficient number, since it is larger than the sum of its proper divisors (66063867).

158660133 is a wasteful number, since it uses less digits than its factorization.

158660133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183036 (or 183019 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 158660133 is about 12596.0364003920. The cubic root of 158660133 is about 541.3638740467.

The spelling of 158660133 in words is "one hundred fifty-eight million, six hundred sixty thousand, one hundred thirty-three".