28513176160 has 192 divisors, whose sum is σ = 79235380224. Its totient is φ = 9492940800.

The previous prime is 28513176149. The next prime is 28513176179. The reversal of 28513176160 is 6167131582.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8715325 + ... + 8718595.

It is an arithmetic number, because the mean of its divisors is an integer number (412684272).

Almost surely, 2^28513176160 is an apocalyptic number.

28513176160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28513176160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39617690112).

28513176160 is an abundant number, since it is smaller than the sum of its proper divisors (50722204064).

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

28513176160 is a wasteful number, since it uses less digits than its factorization.

28513176160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517 (or 3509 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 28513176160 in words is "twenty-eight billion, five hundred thirteen million, one hundred seventy-six thousand, one hundred sixty".