161601600175 has 12 divisors (see below), whose sum is σ = 200404350880. Its totient is φ = 129269430720.

The previous prime is 161601600151. The next prime is 161601600179. The reversal of 161601600175 is 571006106161.

161601600175 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 161601600175 - 2¹⁷ = 161601469103 is a prime.

It is a super-2 number, since 2×161601600175² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161601600175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161601600179) 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 11 ways as a sum of consecutive naturals, for example, 12702 + ... + 568651.

Almost surely, 2^161601600175 is an apocalyptic number.

161601600175 is a deficient number, since it is larger than the sum of its proper divisors (38802750705).

161601600175 is a wasteful number, since it uses less digits than its factorization.

161601600175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592482 (or 592477 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 161601600175 in words is "one hundred sixty-one billion, six hundred one million, six hundred thousand, one hundred seventy-five".