949666655 has 32 divisors (see below), whose sum is σ = 1330145280. Its totient is φ = 637424640.

The previous prime is 949666651. The next prime is 949666673. The reversal of 949666655 is 556666949.

It is not a de Polignac number, because 949666655 - 2² = 949666651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 949666655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949666651) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 558767 + ... + 560463.

It is an arithmetic number, because the mean of its divisors is an integer number (41567040).

Almost surely, 2^949666655 is an apocalyptic number.

949666655 is a deficient number, since it is larger than the sum of its proper divisors (380478625).

949666655 is a wasteful number, since it uses less digits than its factorization.

949666655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039.

The product of its digits is 10497600, while the sum is 56.

The square root of 949666655 is about 30816.6619704341. The cubic root of 949666655 is about 982.9325786920.

The spelling of 949666655 in words is "nine hundred forty-nine million, six hundred sixty-six thousand, six hundred fifty-five".