1216662400062 has 12 divisors (see below), whose sum is σ = 2636101866840. Its totient is φ = 405554133348.

The previous prime is 1216662400061. The next prime is 1216662400069. The reversal of 1216662400062 is 2600042666121.

It is a super-2 number, since 2×1216662400062² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1216662400061) 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 5 ways as a sum of consecutive naturals, for example, 33796177762 + ... + 33796177797.

It is an arithmetic number, because the mean of its divisors is an integer number (219675155570).

Almost surely, 2^{1216662400062} is an apocalyptic number.

1216662400062 is an abundant number, since it is smaller than the sum of its proper divisors (1419439466778).

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

1216662400062 is a wasteful number, since it uses less digits than its factorization.

1216662400062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67592355567 (or 67592355564 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 1216662400062 in words is "one trillion, two hundred sixteen billion, six hundred sixty-two million, four hundred thousand, sixty-two".