161733613144 has 16 divisors (see below), whose sum is σ = 306032641200. Its totient is φ = 80124908832.

The previous prime is 161733613141. The next prime is 161733613243. The reversal of 161733613144 is 441316337161.

It is a super-2 number, since 2×161733613144² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161733613097 and 161733613106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161733613141) 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, 92736292 + ... + 92738035.

It is an arithmetic number, because the mean of its divisors is an integer number (19127040075).

Almost surely, 2^161733613144 is an apocalyptic number.

It is an amenable number.

161733613144 is a deficient number, since it is larger than the sum of its proper divisors (144299028056).

161733613144 is a wasteful number, since it uses less digits than its factorization.

161733613144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185474442 (or 185474438 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The spelling of 161733613144 in words is "one hundred sixty-one billion, seven hundred thirty-three million, six hundred thirteen thousand, one hundred forty-four".