1160321621557 has 12 divisors (see below), whose sum is σ = 1351715271456. Its totient is φ = 993122053560.

The previous prime is 1160321621549. The next prime is 1160321621573. The reversal of 1160321621557 is 7551261230611.

It is a happy number.

It is not a de Polignac number, because 1160321621557 - 2³ = 1160321621549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1160321621857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17100753 + ... + 17168470.

It is an arithmetic number, because the mean of its divisors is an integer number (112642939288).

Almost surely, 2^{1160321621557} is an apocalyptic number.

It is an amenable number.

1160321621557 is a deficient number, since it is larger than the sum of its proper divisors (191393649899).

1160321621557 is an equidigital number, since it uses as much as digits as its factorization.

1160321621557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34269928 (or 34269921 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 1160321621557 in words is "one trillion, one hundred sixty billion, three hundred twenty-one million, six hundred twenty-one thousand, five hundred fifty-seven".