163362021 has 8 divisors (see below), whose sum is σ = 218017920. Its totient is φ = 108807072.

The previous prime is 163362007. The next prime is 163362029. The reversal of 163362021 is 120263361.

It is a happy number.

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

It is not a de Polignac number, because 163362021 - 2⁹ = 163361509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163361982 and 163362000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163362029) 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, 21376 + ... + 27993.

It is an arithmetic number, because the mean of its divisors is an integer number (27252240).

Almost surely, 2^163362021 is an apocalyptic number.

It is an amenable number.

163362021 is a deficient number, since it is larger than the sum of its proper divisors (54655899).

163362021 is a wasteful number, since it uses less digits than its factorization.

163362021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50475.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 163362021 is about 12781.3153079016. The cubic root of 163362021 is about 546.6596670645.

The spelling of 163362021 in words is "one hundred sixty-three million, three hundred sixty-two thousand, twenty-one".