1061366188884 has 24 divisors (see below), whose sum is σ = 2476607853888. Its totient is φ = 353776337280.

The previous prime is 1061366188877. The next prime is 1061366188891. The reversal of 1061366188884 is 4888816631601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1061366188877) and next prime (1061366188891).

It is a super-2 number, since 2×1061366188884² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1188832 + ... + 1880439.

It is an arithmetic number, because the mean of its divisors is an integer number (103191993912).

Almost surely, 2^{1061366188884} is an apocalyptic number.

It is an amenable number.

1061366188884 is an abundant number, since it is smaller than the sum of its proper divisors (1415241665004).

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

1061366188884 is a wasteful number, since it uses less digits than its factorization.

1061366188884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098095 (or 3098093 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 60.

The spelling of 1061366188884 in words is "one trillion, sixty-one billion, three hundred sixty-six million, one hundred eighty-eight thousand, eight hundred eighty-four".