28341475164 has 72 divisors (see below), whose sum is σ = 72753528848. Its totient is φ = 9300614400.

The previous prime is 28341475117. The next prime is 28341475171. The reversal of 28341475164 is 46157414382.

28341475164 is a `hidden beast` number, since 2 + 8 + 3 + 414 + 75 + 164 = 666.

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 23 ways as a sum of consecutive naturals, for example, 6744264 + ... + 6748464.

Almost surely, 2^28341475164 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 28341475164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36376764424).

28341475164 is an abundant number, since it is smaller than the sum of its proper divisors (44412053684).

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

28341475164 is a wasteful number, since it uses less digits than its factorization.

28341475164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075 (or 7070 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 28341475164 in words is "twenty-eight billion, three hundred forty-one million, four hundred seventy-five thousand, one hundred sixty-four".