28103166000 has 1920 divisors, whose sum is σ = 135841305600. Its totient is φ = 5486745600.

The previous prime is 28103165983. The next prime is 28103166031. The reversal of 28103166000 is 66130182.

28103166000 is a `hidden beast` number, since 28 + 1 + 0 + 31 + 6 + 600 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 653561979 + ... + 653562021.

It is an arithmetic number, because the mean of its divisors is an integer number (70750680).

Almost surely, 2^28103166000 is an apocalyptic number.

28103166000 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 28103166000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67920652800).

28103166000 is an abundant number, since it is smaller than the sum of its proper divisors (107738139600).

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

28103166000 is a wasteful number, since it uses less digits than its factorization.

28103166000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 28103166000 its reverse (66130182), we get a palindrome (28169296182).

The spelling of 28103166000 in words is "twenty-eight billion, one hundred three million, one hundred sixty-six thousand".