911248216 has 16 divisors (see below), whose sum is σ = 1727789400. Its totient is φ = 450504384.

The previous prime is 911248213. The next prime is 911248231. The reversal of 911248216 is 612842119.

It is a happy number.

It is a super-2 number, since 2×911248216² = 1660746622326365312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (911248211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639210 + ... + 640633.

Almost surely, 2^911248216 is an apocalyptic number.

It is an amenable number.

911248216 is a deficient number, since it is larger than the sum of its proper divisors (816541184).

911248216 is a wasteful number, since it uses less digits than its factorization.

911248216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279938 (or 1279934 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 911248216 is about 30186.8881470085. Note that the first 3 decimals coincide. The cubic root of 911248216 is about 969.4949778371.

The spelling of 911248216 in words is "nine hundred eleven million, two hundred forty-eight thousand, two hundred sixteen".