2616668 has 6 divisors (see below), whose sum is σ = 4579176. Its totient is φ = 1308332.

The previous prime is 2616667. The next prime is 2616671. The reversal of 2616668 is 8666162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2616667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327080 + ... + 327087.

It is an arithmetic number, because the mean of its divisors is an integer number (763196).

2^2616668 is an apocalyptic number.

It is an amenable number.

2616668 is a deficient number, since it is larger than the sum of its proper divisors (1962508).

2616668 is a wasteful number, since it uses less digits than its factorization.

2616668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654171 (or 654169 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 2616668 is about 1617.6118199370. The cubic root of 2616668 is about 137.8001026567.

The spelling of 2616668 in words is "two million, six hundred sixteen thousand, six hundred sixty-eight".