2668207506 has 32 divisors (see below), whose sum is σ = 5861514240. Its totient is φ = 805956624.

The previous prime is 2668207501. The next prime is 2668207561. The reversal of 2668207506 is 6057028662.

2668207506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2668207501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506190 + ... + 511433.

It is an arithmetic number, because the mean of its divisors is an integer number (183172320).

Almost surely, 2^2668207506 is an apocalyptic number.

2668207506 is an abundant number, since it is smaller than the sum of its proper divisors (3193306734).

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

2668207506 is a wasteful number, since it uses less digits than its factorization.

2668207506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017670.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 2668207506 is about 51654.6949076267. The cubic root of 2668207506 is about 1386.9895868559.

The spelling of 2668207506 in words is "two billion, six hundred sixty-eight million, two hundred seven thousand, five hundred six".