1216514414 has 8 divisors (see below), whose sum is σ = 1825642368. Its totient is φ = 607966960.

The previous prime is 1216514401. The next prime is 1216514461. The reversal of 1216514414 is 4144156121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139847 + ... + 148290.

It is an arithmetic number, because the mean of its divisors is an integer number (228205296).

Almost surely, 2^1216514414 is an apocalyptic number.

1216514414 is a deficient number, since it is larger than the sum of its proper divisors (609127954).

1216514414 is a wasteful number, since it uses less digits than its factorization.

1216514414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290250.

The product of its digits is 3840, while the sum is 29.

The square root of 1216514414 is about 34878.5666850001. The cubic root of 1216514414 is about 1067.5111495818.

The spelling of 1216514414 in words is "one billion, two hundred sixteen million, five hundred fourteen thousand, four hundred fourteen".