169220053420 has 96 divisors (see below), whose sum is σ = 392577808896. Its totient is φ = 60758707200.

The previous prime is 169220053417. The next prime is 169220053427. The reversal of 169220053420 is 24350022961.

169220053420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (169220053427) 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 in 31 ways as a sum of consecutive naturals, for example, 7852260 + ... + 7873780.

It is an arithmetic number, because the mean of its divisors is an integer number (4089352176).

Almost surely, 2^169220053420 is an apocalyptic number.

169220053420 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 169220053420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196288904448).

169220053420 is an abundant number, since it is smaller than the sum of its proper divisors (223357755476).

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

169220053420 is a wasteful number, since it uses less digits than its factorization.

169220053420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21991 (or 21989 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 169220053420 in words is "one hundred sixty-nine billion, two hundred twenty million, fifty-three thousand, four hundred twenty".