1216627104460 has 96 divisors (see below), whose sum is σ = 2589140090880. Its totient is φ = 480180960000.

The previous prime is 1216627104457. The next prime is 1216627104461. The reversal of 1216627104460 is 644017266121.

It is a super-2 number, since 2×1216627104460² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1216627104461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513127075 + ... + 513129445.

It is an arithmetic number, because the mean of its divisors is an integer number (26970209280).

Almost surely, 2^{1216627104460} is an apocalyptic number.

1216627104460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1216627104460 is an abundant number, since it is smaller than the sum of its proper divisors (1372512986420).

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

1216627104460 is a wasteful number, since it uses less digits than its factorization.

1216627104460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527 (or 3525 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 1216627104460 in words is "one trillion, two hundred sixteen billion, six hundred twenty-seven million, one hundred four thousand, four hundred sixty".