1188164131652 has 6 divisors (see below), whose sum is σ = 2079287230398. Its totient is φ = 594082065824.

The previous prime is 1188164131591. The next prime is 1188164131657. The reversal of 1188164131652 is 2561314618811.

It can be written as a sum of positive squares in only one way, i.e., 603098240836 + 585065890816 = 776594^2 + 764896^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1188164131597 and 1188164131606.

It is not an unprimeable number, because it can be changed into a prime (1188164131657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148520516453 + ... + 148520516460.

It is an arithmetic number, because the mean of its divisors is an integer number (346547871733).

Almost surely, 2^{1188164131652} is an apocalyptic number.

It is an amenable number.

1188164131652 is a deficient number, since it is larger than the sum of its proper divisors (891123098746).

1188164131652 is a wasteful number, since it uses less digits than its factorization.

1188164131652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297041032917 (or 297041032915 counting only the distinct ones).

The product of its digits is 276480, while the sum is 47.

The spelling of 1188164131652 in words is "one trillion, one hundred eighty-eight billion, one hundred sixty-four million, one hundred thirty-one thousand, six hundred fifty-two".