169027980 has 96 divisors (see below), whose sum is σ = 527385600. Its totient is φ = 40097280.

The previous prime is 169027973. The next prime is 169027981. The reversal of 169027980 is 89720961.

It is not an unprimeable number, because it can be changed into a prime (169027981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28296 + ... + 33744.

It is an arithmetic number, because the mean of its divisors is an integer number (5493600).

Almost surely, 2^169027980 is an apocalyptic number.

169027980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169027980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263692800).

169027980 is an abundant number, since it is smaller than the sum of its proper divisors (358357620).

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

169027980 is a wasteful number, since it uses less digits than its factorization.

169027980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519 (or 5517 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 169027980 is about 13001.0761093073. The cubic root of 169027980 is about 552.9079915420.

The spelling of 169027980 in words is "one hundred sixty-nine million, twenty-seven thousand, nine hundred eighty".