216272446 has 16 divisors (see below), whose sum is σ = 350414064. Its totient is φ = 99517824.

The previous prime is 216272443. The next prime is 216272467. The reversal of 216272446 is 644272612.

216272446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216272443) 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, 3580 + ... + 21103.

It is an arithmetic number, because the mean of its divisors is an integer number (21900879).

Almost surely, 2^216272446 is an apocalyptic number.

216272446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

216272446 is a deficient number, since it is larger than the sum of its proper divisors (134141618).

216272446 is a wasteful number, since it uses less digits than its factorization.

216272446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25035.

The product of its digits is 32256, while the sum is 34.

The square root of 216272446 is about 14706.2043369457. The cubic root of 216272446 is about 600.2521588265.

The spelling of 216272446 in words is "two hundred sixteen million, two hundred seventy-two thousand, four hundred forty-six".