1216896414 has 16 divisors (see below), whose sum is σ = 2576957328. Its totient is φ = 381771392.

The previous prime is 1216896361. The next prime is 1216896419. The reversal of 1216896414 is 4146986121.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216896419) 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, 5965077 + ... + 5965280.

It is an arithmetic number, because the mean of its divisors is an integer number (161059833).

Almost surely, 2^1216896414 is an apocalyptic number.

1216896414 is an abundant number, since it is smaller than the sum of its proper divisors (1360060914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1216896414 is a wasteful number, since it uses less digits than its factorization.

1216896414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11930379.

The product of its digits is 82944, while the sum is 42.

The square root of 1216896414 is about 34884.0423976351. The cubic root of 1216896414 is about 1067.6228749556.

The spelling of 1216896414 in words is "one billion, two hundred sixteen million, eight hundred ninety-six thousand, four hundred fourteen".