169143084 has 72 divisors (see below), whose sum is σ = 471154320. Its totient is φ = 50736000.

The previous prime is 169143053. The next prime is 169143089. The reversal of 169143084 is 480341961.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (169143089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37882 + ... + 42110.

It is an arithmetic number, because the mean of its divisors is an integer number (6543810).

Almost surely, 2^169143084 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 169143084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235577160).

169143084 is an abundant number, since it is smaller than the sum of its proper divisors (302011236).

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

169143084 is a wasteful number, since it uses less digits than its factorization.

169143084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351 (or 4346 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 169143084 is about 13005.5020664333. The cubic root of 169143084 is about 553.0334687573.

The spelling of 169143084 in words is "one hundred sixty-nine million, one hundred forty-three thousand, eighty-four".