2151168 has 36 divisors (see below), whose sum is σ = 5727288. Its totient is φ = 716800.

The previous prime is 2151157. The next prime is 2151179. The reversal of 2151168 is 8611512.

It is an interprime number because it is at equal distance from previous prime (2151157) and next prime (2151179).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633 + ... + 2168.

2^2151168 is an apocalyptic number.

It is an amenable number.

2151168 is an abundant number, since it is smaller than the sum of its proper divisors (3576120).

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

2151168 is an equidigital number, since it uses as much as digits as its factorization.

2151168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820 (or 2806 counting only the distinct ones).

The product of its digits is 480, while the sum is 24.

The square root of 2151168 is about 1466.6860604778. The cubic root of 2151168 is about 129.0896558401.

The spelling of 2151168 in words is "two million, one hundred fifty-one thousand, one hundred sixty-eight".