164045133424 has 40 divisors (see below), whose sum is σ = 321893477360. Its totient is φ = 80982374400.

The previous prime is 164045133419. The next prime is 164045133443. The reversal of 164045133424 is 424331540461.

It is a super-4 number, since 4×164045133424⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 198784 + ... + 606304.

It is an arithmetic number, because the mean of its divisors is an integer number (8047336934).

Almost surely, 2^164045133424 is an apocalyptic number.

It is an amenable number.

164045133424 is a deficient number, since it is larger than the sum of its proper divisors (157848343936).

164045133424 is a wasteful number, since it uses less digits than its factorization.

164045133424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407849 (or 407843 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 164045133424 its reverse (424331540461), we get a palindrome (588376673885).

The spelling of 164045133424 in words is "one hundred sixty-four billion, forty-five million, one hundred thirty-three thousand, four hundred twenty-four".