161474237989184 has 112 divisors (see below), whose sum is σ = 334660192613760. Its totient is φ = 77156811325440.

The previous prime is 161474237989093. The next prime is 161474237989231. The reversal of 161474237989184 is 481989732474161.

161474237989184 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8076528692 + ... + 8076548684.

Almost surely, 2^{161474237989184} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161474237989184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167330096306880).

161474237989184 is an abundant number, since it is smaller than the sum of its proper divisors (173185954624576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161474237989184 is a wasteful number, since it uses less digits than its factorization.

161474237989184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24728 (or 24718 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 74.

The spelling of 161474237989184 in words is "one hundred sixty-one trillion, four hundred seventy-four billion, two hundred thirty-seven million, nine hundred eighty-nine thousand, one hundred eighty-four".