162343420 has 48 divisors (see below), whose sum is σ = 354695040. Its totient is φ = 62360064.

The previous prime is 162343411. The next prime is 162343427. The reversal of 162343420 is 24343261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162343427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57072 + ... + 59848.

It is an arithmetic number, because the mean of its divisors is an integer number (7389480).

Almost surely, 2^162343420 is an apocalyptic number.

162343420 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 162343420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177347520).

162343420 is an abundant number, since it is smaller than the sum of its proper divisors (192351620).

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

162343420 is a wasteful number, since it uses less digits than its factorization.

162343420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902 (or 2900 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 162343420 is about 12741.4057309231. The cubic root of 162343420 is about 545.5211131047.

Adding to 162343420 its reverse (24343261), we get a palindrome (186686681).

The spelling of 162343420 in words is "one hundred sixty-two million, three hundred forty-three thousand, four hundred twenty".