216162323 has 12 divisors (see below), whose sum is σ = 234484488. Its totient is φ = 199180800.

The previous prime is 216162313. The next prime is 216162329. The reversal of 216162323 is 323261612.

It is not a de Polignac number, because 216162323 - 2⁴ = 216162307 is a prime.

It is a super-2 number, since 2×216162323² = 93452299769512658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 216162292 and 216162301.

It is not an unprimeable number, because it can be changed into a prime (216162329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177011 + ... + 178227.

It is an arithmetic number, because the mean of its divisors is an integer number (19540374).

Almost surely, 2^216162323 is an apocalyptic number.

216162323 is a deficient number, since it is larger than the sum of its proper divisors (18322165).

216162323 is a wasteful number, since it uses less digits than its factorization.

216162323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294 (or 2281 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 216162323 is about 14702.4597601898. The cubic root of 216162323 is about 600.1502614401.

The spelling of 216162323 in words is "two hundred sixteen million, one hundred sixty-two thousand, three hundred twenty-three".