2668151 has 8 divisors (see below), whose sum is σ = 2823600. Its totient is φ = 2521224.

The previous prime is 2668129. The next prime is 2668163. The reversal of 2668151 is 1518662.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2668151 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 (2668051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6665 + ... + 7053.

It is an arithmetic number, because the mean of its divisors is an integer number (352950).

2^2668151 is an apocalyptic number.

2668151 is the 731-st centered decagonal number.

2668151 is a deficient number, since it is larger than the sum of its proper divisors (155449).

2668151 is an frugal number, since it uses more digits than its factorization.

2668151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 408 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 2668151 is about 1633.4475810383. The cubic root of 2668151 is about 138.6979795790.

The spelling of 2668151 in words is "two million, six hundred sixty-eight thousand, one hundred fifty-one".