4276689666 has 16 divisors (see below), whose sum is σ = 8618673888. Its totient is φ = 1414680800.

The previous prime is 4276689649. The next prime is 4276689673. The reversal of 4276689666 is 6669866724.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2719755 + ... + 2721326.

It is an arithmetic number, because the mean of its divisors is an integer number (538667118).

Almost surely, 2^4276689666 is an apocalyptic number.

4276689666 is an abundant number, since it is smaller than the sum of its proper divisors (4341984222).

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

4276689666 is a wasteful number, since it uses less digits than its factorization.

4276689666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5441217.

The product of its digits is 31352832, while the sum is 60.

The square root of 4276689666 is about 65396.4040754536. The cubic root of 4276689666 is about 1623.1895786679.

The spelling of 4276689666 in words is "four billion, two hundred seventy-six million, six hundred eighty-nine thousand, six hundred sixty-six".