1213416616 has 32 divisors (see below), whose sum is σ = 2439504000. Its totient is φ = 563786496.

The previous prime is 1213416587. The next prime is 1213416641. The reversal of 1213416616 is 6166143121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45726 + ... + 67213.

It is an arithmetic number, because the mean of its divisors is an integer number (76234500).

Almost surely, 2^1213416616 is an apocalyptic number.

It is an amenable number.

1213416616 is an abundant number, since it is smaller than the sum of its proper divisors (1226087384).

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

1213416616 is a wasteful number, since it uses less digits than its factorization.

1213416616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113041 (or 113037 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 1213416616 is about 34834.1300451152. The cubic root of 1213416616 is about 1066.6042566784.

Adding to 1213416616 its reverse (6166143121), we get a palindrome (7379559737).

The spelling of 1213416616 in words is "one billion, two hundred thirteen million, four hundred sixteen thousand, six hundred sixteen".