133323165544 has 128 divisors (see below), whose sum is σ = 267105600000. Its totient is φ = 62291496960.

The previous prime is 133323165541. The next prime is 133323165583. The reversal of 133323165544 is 445561323331.

It is a junction number, because it is equal to n+sod(n) for n = 133323165497 and 133323165506.

It is not an unprimeable number, because it can be changed into a prime (133323165541) 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 31 ways as a sum of consecutive naturals, for example, 291735364 + ... + 291735820.

It is an arithmetic number, because the mean of its divisors is an integer number (2086762500).

Almost surely, 2^133323165544 is an apocalyptic number.

It is an amenable number.

133323165544 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

133323165544 is a wasteful number, since it uses less digits than its factorization.

133323165544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 847 counting only the distinct ones).

The product of its digits is 388800, while the sum is 40.

Adding to 133323165544 its reverse (445561323331), we get a palindrome (578884488875).

The spelling of 133323165544 in words is "one hundred thirty-three billion, three hundred twenty-three million, one hundred sixty-five thousand, five hundred forty-four".