161260145220034 has 16 divisors (see below), whose sum is σ = 277443963108288. Its totient is φ = 68861990840112.

The previous prime is 161260145220017. The next prime is 161260145220071. The reversal of 161260145220034 is 430022541062161.

It is a super-2 number, since 2×161260145220034² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161260145219975 and 161260145220002.

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, 20791660024 + ... + 20791667779.

It is an arithmetic number, because the mean of its divisors is an integer number (17340247694268).

Almost surely, 2^{161260145220034} is an apocalyptic number.

161260145220034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161260145220034 is a deficient number, since it is larger than the sum of its proper divisors (116183817888254).

161260145220034 is a wasteful number, since it uses less digits than its factorization.

161260145220034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41583328089.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 161260145220034 its reverse (430022541062161), we get a palindrome (591282686282195).

The spelling of 161260145220034 in words is "one hundred sixty-one trillion, two hundred sixty billion, one hundred forty-five million, two hundred twenty thousand, thirty-four".