161134153451075 has 24 divisors (see below), whose sum is σ = 228804091100928. Its totient is φ = 110272324891680.

The previous prime is 161134153451057. The next prime is 161134153451077. The reversal of 161134153451075 is 570154351431161.

It is not a de Polignac number, because 161134153451075 - 2¹⁰ = 161134153450051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161134153451077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 915186917 + ... + 915362966.

It is an arithmetic number, because the mean of its divisors is an integer number (9533503795872).

Almost surely, 2^{161134153451075} is an apocalyptic number.

161134153451075 is a deficient number, since it is larger than the sum of its proper divisors (67669937649853).

161134153451075 is a wasteful number, since it uses less digits than its factorization.

161134153451075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830550403 (or 1830550398 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 161134153451075 in words is "one hundred sixty-one trillion, one hundred thirty-four billion, one hundred fifty-three million, four hundred fifty-one thousand, seventy-five".