155324164224 has 128 divisors (see below), whose sum is σ = 421171202880. Its totient is φ = 50700349440.

The previous prime is 155324164211. The next prime is 155324164249. The reversal of 155324164224 is 422461423551.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11003379 + ... + 11017485.

Almost surely, 2^155324164224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155324164224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210585601440).

155324164224 is an abundant number, since it is smaller than the sum of its proper divisors (265847038656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155324164224 is a wasteful number, since it uses less digits than its factorization.

155324164224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14718 (or 14706 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

Adding to 155324164224 its reverse (422461423551), we get a palindrome (577785587775).

The spelling of 155324164224 in words is "one hundred fifty-five billion, three hundred twenty-four million, one hundred sixty-four thousand, two hundred twenty-four".