165155100656064 has 112 divisors (see below), whose sum is σ = 443798552685600. Its totient is φ = 54198311157760.

The previous prime is 165155100655921. The next prime is 165155100656069. The reversal of 165155100656064 is 460656001551561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 165155100655998 and 165155100656016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165155100656069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22311717 + ... + 28777124.

It is an arithmetic number, because the mean of its divisors is an integer number (3962487077550).

Almost surely, 2^{165155100656064} is an apocalyptic number.

It is an amenable number.

165155100656064 is an abundant number, since it is smaller than the sum of its proper divisors (278643452029536).

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

165155100656064 is a wasteful number, since it uses less digits than its factorization.

165155100656064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51089118 (or 51089108 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 51.

The spelling of 165155100656064 in words is "one hundred sixty-five trillion, one hundred fifty-five billion, one hundred million, six hundred fifty-six thousand, sixty-four".