165136132555356 has 48 divisors (see below), whose sum is σ = 386992644948000. Its totient is φ = 54806117455872.

The previous prime is 165136132555351. The next prime is 165136132555363. The reversal of 165136132555356 is 653555231631561.

It is a junction number, because it is equal to n+sod(n) for n = 165136132555296 and 165136132555305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165136132555351) 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, 49521370 + ... + 52750718.

It is an arithmetic number, because the mean of its divisors is an integer number (8062346769750).

Almost surely, 2^{165136132555356} is an apocalyptic number.

It is an amenable number.

165136132555356 is an abundant number, since it is smaller than the sum of its proper divisors (221856512392644).

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

165136132555356 is a wasteful number, since it uses less digits than its factorization.

165136132555356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247878 (or 3247876 counting only the distinct ones).

The product of its digits is 36450000, while the sum is 57.

The spelling of 165136132555356 in words is "one hundred sixty-five trillion, one hundred thirty-six billion, one hundred thirty-two million, five hundred fifty-five thousand, three hundred fifty-six".