2664168 has 32 divisors (see below), whose sum is σ = 7173600. Its totient is φ = 819648.

The previous prime is 2664163. The next prime is 2664169. The reversal of 2664168 is 8614662.

It is a happy number.

It is a super-2 number, since 2×2664168² = 14195582264448, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2664163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3958 + ... + 4581.

It is an arithmetic number, because the mean of its divisors is an integer number (224175).

2^2664168 is an apocalyptic number.

It is an amenable number.

2664168 is an abundant number, since it is smaller than the sum of its proper divisors (4509432).

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

2664168 is a wasteful number, since it uses less digits than its factorization.

2664168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8561 (or 8557 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 2664168 is about 1632.2279252604. The cubic root of 2664168 is about 138.6289293677.

The spelling of 2664168 in words is "two million, six hundred sixty-four thousand, one hundred sixty-eight".