162348021 has 12 divisors (see below), whose sum is σ = 255821280. Its totient is φ = 98392680.

The previous prime is 162348001. The next prime is 162348029. The reversal of 162348021 is 120843261.

162348021 is a `hidden beast` number, since 162 + 3 + 480 + 21 = 666.

It is not a de Polignac number, because 162348021 - 2¹³ = 162339829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162348029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 819841 + ... + 820038.

It is an arithmetic number, because the mean of its divisors is an integer number (21318440).

Almost surely, 2^162348021 is an apocalyptic number.

162348021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

162348021 is a deficient number, since it is larger than the sum of its proper divisors (93473259).

162348021 is a wasteful number, since it uses less digits than its factorization.

162348021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639896 (or 1639893 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 162348021 is about 12741.5862827201. The cubic root of 162348021 is about 545.5262666221.

The spelling of 162348021 in words is "one hundred sixty-two million, three hundred forty-eight thousand, twenty-one".