2668416 has 32 divisors (see below), whose sum is σ = 7089000. Its totient is φ = 889344.

The previous prime is 2668411. The next prime is 2668427. The reversal of 2668416 is 6148662.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3091 + ... + 3858.

2^2668416 is an apocalyptic number.

It is an amenable number.

2668416 is an abundant number, since it is smaller than the sum of its proper divisors (4420584).

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

2668416 is an equidigital number, since it uses as much as digits as its factorization.

2668416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966 (or 6954 counting only the distinct ones).

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

The square root of 2668416 is about 1633.5286957994. The cubic root of 2668416 is about 138.7025712416.

The spelling of 2668416 in words is "two million, six hundred sixty-eight thousand, four hundred sixteen".