165758415900016 has 20 divisors (see below), whose sum is σ = 321167448041400. Its totient is φ = 82876493824832.

The previous prime is 165758415900013. The next prime is 165758415900053. The reversal of 165758415900016 is 610009514857561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165758415900013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169128931 + ... + 170106178.

It is an arithmetic number, because the mean of its divisors is an integer number (16058372402070).

Almost surely, 2^{165758415900016} is an apocalyptic number.

165758415900016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165758415900016 is a deficient number, since it is larger than the sum of its proper divisors (155409032141384).

165758415900016 is a wasteful number, since it uses less digits than its factorization.

165758415900016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339265656 (or 339265650 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 58.

The spelling of 165758415900016 in words is "one hundred sixty-five trillion, seven hundred fifty-eight billion, four hundred fifteen million, nine hundred thousand, sixteen".