216271466 has 8 divisors (see below), whose sum is σ = 324523584. Its totient is φ = 108096940.

The previous prime is 216271463. The next prime is 216271481. The reversal of 216271466 is 664172612.

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

It is not an unprimeable number, because it can be changed into a prime (216271463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11840 + ... + 23931.

It is an arithmetic number, because the mean of its divisors is an integer number (40565448).

Almost surely, 2^216271466 is an apocalyptic number.

216271466 is a deficient number, since it is larger than the sum of its proper divisors (108252118).

216271466 is a wasteful number, since it uses less digits than its factorization.

216271466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38796.

The product of its digits is 24192, while the sum is 35.

The square root of 216271466 is about 14706.1710176375. The cubic root of 216271466 is about 600.2512521800.

The spelling of 216271466 in words is "two hundred sixteen million, two hundred seventy-one thousand, four hundred sixty-six".