1216674216674 has 32 divisors (see below), whose sum is σ = 2103655578240. Its totient is φ = 516965369472.

The previous prime is 1216674216671. The next prime is 1216674216721. The reversal of 1216674216674 is 4766124766121.

It is a super-2 number, since 2×1216674216674² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1216674216671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281552 + ... + 1585124.

It is an arithmetic number, because the mean of its divisors is an integer number (65739236820).

Almost surely, 2^{1216674216674} is an apocalyptic number.

1216674216674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1216674216674 is a deficient number, since it is larger than the sum of its proper divisors (886981361566).

1216674216674 is a wasteful number, since it uses less digits than its factorization.

1216674216674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304154.

The product of its digits is 4064256, while the sum is 53.

The spelling of 1216674216674 in words is "one trillion, two hundred sixteen billion, six hundred seventy-four million, two hundred sixteen thousand, six hundred seventy-four".