2668061 has 4 divisors (see below), whose sum is σ = 2910624. Its totient is φ = 2425500.

The previous prime is 2668051. The next prime is 2668063. The reversal of 2668061 is 1608662.

2668061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2668061 - 2¹⁸ = 2405917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121265 + ... + 121286.

It is an arithmetic number, because the mean of its divisors is an integer number (727656).

2^2668061 is an apocalyptic number.

It is an amenable number.

2668061 is a deficient number, since it is larger than the sum of its proper divisors (242563).

2668061 is a wasteful number, since it uses less digits than its factorization.

2668061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242562.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2668061 is about 1633.4200317126. The cubic root of 2668061 is about 138.6964200772.

The spelling of 2668061 in words is "two million, six hundred sixty-eight thousand, sixty-one".