165934514403 has 48 divisors (see below), whose sum is σ = 283938720000. Its totient is φ = 91366107840.

The previous prime is 165934514399. The next prime is 165934514437. The reversal of 165934514403 is 304415439561.

165934514403 is a `hidden beast` number, since 1 + 6 + 5 + 93 + 4 + 514 + 40 + 3 = 666.

165934514403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165934514403 - 2² = 165934514399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165934514453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 820668 + ... + 1002678.

It is an arithmetic number, because the mean of its divisors is an integer number (5915390000).

Almost surely, 2^165934514403 is an apocalyptic number.

165934514403 is a deficient number, since it is larger than the sum of its proper divisors (118004205597).

165934514403 is a wasteful number, since it uses less digits than its factorization.

165934514403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182552 (or 182549 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 165934514403 in words is "one hundred sixty-five billion, nine hundred thirty-four million, five hundred fourteen thousand, four hundred three".