28482181660 has 12 divisors (see below), whose sum is σ = 59812581528. Its totient is φ = 11392872656.

The previous prime is 28482181543. The next prime is 28482181661. The reversal of 28482181660 is 6618128482.

It is a super-2 number, since 2×28482181660² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28482181660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28482181661) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 712054522 + ... + 712054561.

It is an arithmetic number, because the mean of its divisors is an integer number (4984381794).

Almost surely, 2^28482181660 is an apocalyptic number.

28482181660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28482181660 is an abundant number, since it is smaller than the sum of its proper divisors (31330399868).

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

28482181660 is a wasteful number, since it uses less digits than its factorization.

28482181660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424109092 (or 1424109090 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The spelling of 28482181660 in words is "twenty-eight billion, four hundred eighty-two million, one hundred eighty-one thousand, six hundred sixty".