28160134000 has 160 divisors (see below), whose sum is σ = 69224051520. Its totient is φ = 11078144000.

The previous prime is 28160133979. The next prime is 28160134003. The reversal of 28160134000 is 43106182.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28160134003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50017719 + ... + 50018281.

It is an arithmetic number, because the mean of its divisors is an integer number (432650322).

Almost surely, 2^28160134000 is an apocalyptic number.

28160134000 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 28160134000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34612025760).

28160134000 is an abundant number, since it is smaller than the sum of its proper divisors (41063917520).

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

28160134000 is a wasteful number, since it uses less digits than its factorization.

28160134000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 28160134000 in words is "twenty-eight billion, one hundred sixty million, one hundred thirty-four thousand".