162421361 has 8 divisors (see below), whose sum is σ = 164592960. Its totient is φ = 160264368.

The previous prime is 162421339. The next prime is 162421387. The reversal of 162421361 is 163124261.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162421361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 162421361.

It is not an unprimeable number, because it can be changed into a prime (162421321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19715 + ... + 26711.

It is an arithmetic number, because the mean of its divisors is an integer number (20574120).

Almost surely, 2^162421361 is an apocalyptic number.

It is an amenable number.

162421361 is a deficient number, since it is larger than the sum of its proper divisors (2171599).

162421361 is a wasteful number, since it uses less digits than its factorization.

162421361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7303.

The product of its digits is 1728, while the sum is 26.

The square root of 162421361 is about 12744.4639353721. The cubic root of 162421361 is about 545.6084006143.

The spelling of 162421361 in words is "one hundred sixty-two million, four hundred twenty-one thousand, three hundred sixty-one".