1216436462 has 16 divisors (see below), whose sum is σ = 1979111232. Its totient is φ = 558478080.

The previous prime is 1216436461. The next prime is 1216436483. The reversal of 1216436462 is 2646346121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216436461) 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 7 ways as a sum of consecutive naturals, for example, 434918 + ... + 437705.

It is an arithmetic number, because the mean of its divisors is an integer number (123694452).

Almost surely, 2^1216436462 is an apocalyptic number.

1216436462 is a deficient number, since it is larger than the sum of its proper divisors (762674770).

1216436462 is a wasteful number, since it uses less digits than its factorization.

1216436462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872683.

The product of its digits is 41472, while the sum is 35.

The square root of 1216436462 is about 34877.4491899852. The cubic root of 1216436462 is about 1067.4883477129.

The spelling of 1216436462 in words is "one billion, two hundred sixteen million, four hundred thirty-six thousand, four hundred sixty-two".