162421343 has 8 divisors (see below), whose sum is σ = 185913888. Its totient is φ = 139001184.

The previous prime is 162421339. The next prime is 162421387. The reversal of 162421343 is 343124261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 162421343 - 2² = 162421339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162421643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13196 + ... + 22337.

It is an arithmetic number, because the mean of its divisors is an integer number (23239236).

Almost surely, 2^162421343 is an apocalyptic number.

162421343 is a deficient number, since it is larger than the sum of its proper divisors (23492545).

162421343 is an equidigital number, since it uses as much as digits as its factorization.

162421343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36193.

The product of its digits is 3456, while the sum is 26.

The square root of 162421343 is about 12744.4632291831. The cubic root of 162421343 is about 545.6083804590.

The spelling of 162421343 in words is "one hundred sixty-two million, four hundred twenty-one thousand, three hundred forty-three".