652106256666 has 32 divisors (see below), whose sum is σ = 1364470824960. Its totient is φ = 207375053424.

The previous prime is 652106256661. The next prime is 652106256713. The reversal of 652106256666 is 666652601256.

It is not an unprimeable number, because it can be changed into a prime (652106256661) 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, 6116086 + ... + 6221793.

It is an arithmetic number, because the mean of its divisors is an integer number (42639713280).

Almost surely, 2^652106256666 is an apocalyptic number.

652106256666 is an abundant number, since it is smaller than the sum of its proper divisors (712364568294).

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

652106256666 is a wasteful number, since it uses less digits than its factorization.

652106256666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12338290.

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 652106256666 in words is "six hundred fifty-two billion, one hundred six million, two hundred fifty-six thousand, six hundred sixty-six".