28150168 has 8 divisors (see below), whose sum is σ = 52781580. Its totient is φ = 14075080.

The previous prime is 28150163. The next prime is 28150169. The reversal of 28150168 is 86105182.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28150163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1759378 + ... + 1759393.

Almost surely, 2^28150168 is an apocalyptic number.

It is an amenable number.

28150168 is a deficient number, since it is larger than the sum of its proper divisors (24631412).

28150168 is a wasteful number, since it uses less digits than its factorization.

28150168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518777 (or 3518773 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 28150168 is about 5305.6731900862. The cubic root of 28150168 is about 304.2007849470.

The spelling of 28150168 in words is "twenty-eight million, one hundred fifty thousand, one hundred sixty-eight".