1164548121957 has 24 divisors (see below), whose sum is σ = 1839187909728. Its totient is φ = 704193516000.

The previous prime is 1164548121929. The next prime is 1164548121991. The reversal of 1164548121957 is 7591218454611.

It is a happy number.

1164548121957 is a `hidden beast` number, since 1 + 1 + 6 + 4 + 548 + 1 + 2 + 1 + 95 + 7 = 666.

It is not a de Polignac number, because 1164548121957 - 2¹⁰ = 1164548120933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164548122957) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 13232794 + ... + 13320507.

It is an arithmetic number, because the mean of its divisors is an integer number (76632829572).

Almost surely, 2^{1164548121957} is an apocalyptic number.

It is an amenable number.

1164548121957 is a deficient number, since it is larger than the sum of its proper divisors (674639787771).

1164548121957 is a wasteful number, since it uses less digits than its factorization.

1164548121957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26553761 (or 26553758 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 54.

The spelling of 1164548121957 in words is "one trillion, one hundred sixty-four billion, five hundred forty-eight million, one hundred twenty-one thousand, nine hundred fifty-seven".