1163561566652 has 12 divisors (see below), whose sum is σ = 2059111761840. Its totient is φ = 575243920416.

The previous prime is 1163561566637. The next prime is 1163561566709. The reversal of 1163561566652 is 2566651653611.

It is a junction number, because it is equal to n+sod(n) for n = 1163561566594 and 1163561566603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634215328 + ... + 1634216039.

It is an arithmetic number, because the mean of its divisors is an integer number (171592646820).

Almost surely, 2^{1163561566652} is an apocalyptic number.

It is an amenable number.

1163561566652 is a deficient number, since it is larger than the sum of its proper divisors (895550195188).

1163561566652 is a wasteful number, since it uses less digits than its factorization.

1163561566652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268431460 (or 3268431458 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 53.

The spelling of 1163561566652 in words is "one trillion, one hundred sixty-three billion, five hundred sixty-one million, five hundred sixty-six thousand, six hundred fifty-two".