165115532435404 has 24 divisors (see below), whose sum is σ = 291191320062720. Its totient is φ = 81918550713216.

The previous prime is 165115532435387. The next prime is 165115532435423. The reversal of 165115532435404 is 404534235511561.

165115532435404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66058807 + ... + 68512750.

It is an arithmetic number, because the mean of its divisors is an integer number (12132971669280).

Almost surely, 2^{165115532435404} is an apocalyptic number.

It is an amenable number.

165115532435404 is a deficient number, since it is larger than the sum of its proper divisors (126075787627316).

165115532435404 is a wasteful number, since it uses less digits than its factorization.

165115532435404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134573937 (or 134573935 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 49.

Adding to 165115532435404 its reverse (404534235511561), we get a palindrome (569649767946965).

The spelling of 165115532435404 in words is "one hundred sixty-five trillion, one hundred fifteen billion, five hundred thirty-two million, four hundred thirty-five thousand, four hundred four".