188445134626 has 12 divisors (see below), whose sum is σ = 328817530998. Its totient is φ = 80762200512.

The previous prime is 188445134621. The next prime is 188445134651. The reversal of 188445134626 is 626431544881.

It can be written as a sum of positive squares in only one way, i.e., 99909727225 + 88535407401 = 316085^2 + 297549^2 .

It is a super-2 number, since 2×188445134626² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (188445134621) 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 in 5 ways as a sum of consecutive naturals, for example, 961454671 + ... + 961454866.

Almost surely, 2^188445134626 is an apocalyptic number.

188445134626 is a deficient number, since it is larger than the sum of its proper divisors (140372396372).

188445134626 is a wasteful number, since it uses less digits than its factorization.

188445134626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922909553 (or 1922909546 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The spelling of 188445134626 in words is "one hundred eighty-eight billion, four hundred forty-five million, one hundred thirty-four thousand, six hundred twenty-six".