1160321621556 has 24 divisors (see below), whose sum is σ = 2707697977600. Its totient is φ = 386733750912.

The previous prime is 1160321621549. The next prime is 1160321621573. The reversal of 1160321621556 is 6551261230611.

It is a super-2 number, since 2×1160321621556² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4894756 + ... + 5126331.

Almost surely, 2^{1160321621556} is an apocalyptic number.

It is an amenable number.

1160321621556 is an abundant number, since it is smaller than the sum of its proper divisors (1547376356044).

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

1160321621556 is a wasteful number, since it uses less digits than its factorization.

1160321621556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10030743 (or 10030741 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 1160321621556 in words is "one trillion, one hundred sixty billion, three hundred twenty-one million, six hundred twenty-one thousand, five hundred fifty-six".