949569666 has 32 divisors (see below), whose sum is σ = 1930013568. Its totient is φ = 311416320.

The previous prime is 949569661. The next prime is 949569689. The reversal of 949569666 is 666965949.

It is not an unprimeable number, because it can be changed into a prime (949569661) 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 15 ways as a sum of consecutive naturals, for example, 95971 + ... + 105401.

It is an arithmetic number, because the mean of its divisors is an integer number (60312924).

Almost surely, 2^949569666 is an apocalyptic number.

949569666 is an abundant number, since it is smaller than the sum of its proper divisors (980443902).

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

949569666 is a wasteful number, since it uses less digits than its factorization.

949569666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9706.

The product of its digits is 18895680, while the sum is 60.

The square root of 949569666 is about 30815.0882847997. The cubic root of 949569666 is about 982.8991154085.

The spelling of 949569666 in words is "nine hundred forty-nine million, five hundred sixty-nine thousand, six hundred sixty-six".