165308149604412 has 144 divisors (see below), whose sum is σ = 441981929625600. Its totient is φ = 51950588664960.

The previous prime is 165308149604387. The next prime is 165308149604413. The reversal of 165308149604412 is 214406941803561.

165308149604412 is a `hidden beast` number, since 1 + 6 + 5 + 3 + 0 + 8 + 14 + 9 + 604 + 4 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165308149604413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162055789 + ... + 163072667.

Almost surely, 2^{165308149604412} is an apocalyptic number.

165308149604412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165308149604412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220990964812800).

165308149604412 is an abundant number, since it is smaller than the sum of its proper divisors (276673780021188).

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

165308149604412 is a wasteful number, since it uses less digits than its factorization.

165308149604412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018056 (or 1018051 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 165308149604412 in words is "one hundred sixty-five trillion, three hundred eight billion, one hundred forty-nine million, six hundred four thousand, four hundred twelve".