169443132344 has 8 divisors (see below), whose sum is σ = 317705873160. Its totient is φ = 84721566168.

The previous prime is 169443132337. The next prime is 169443132347. The reversal of 169443132344 is 443231344961.

169443132344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 169443132295 and 169443132304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169443132347) 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 as a sum of consecutive naturals, namely, 10590195764 + ... + 10590195779.

It is an arithmetic number, because the mean of its divisors is an integer number (39713234145).

Almost surely, 2^169443132344 is an apocalyptic number.

It is an amenable number.

169443132344 is a deficient number, since it is larger than the sum of its proper divisors (148262740816).

169443132344 is a wasteful number, since it uses less digits than its factorization.

169443132344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21180391549 (or 21180391545 counting only the distinct ones).

The product of its digits is 746496, while the sum is 44.

The spelling of 169443132344 in words is "one hundred sixty-nine billion, four hundred forty-three million, one hundred thirty-two thousand, three hundred forty-four".