955861666 has 8 divisors (see below), whose sum is σ = 1442589264. Its totient is φ = 474998580.

The previous prime is 955861639. The next prime is 955861667. The reversal of 955861666 is 666168559.

955861666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (955861667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1465720 + ... + 1466371.

It is an arithmetic number, because the mean of its divisors is an integer number (180323658).

Almost surely, 2^955861666 is an apocalyptic number.

955861666 is a deficient number, since it is larger than the sum of its proper divisors (486727598).

955861666 is a wasteful number, since it uses less digits than its factorization.

955861666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932256.

The product of its digits is 2332800, while the sum is 52.

The square root of 955861666 is about 30917.0125658997. The cubic root of 955861666 is about 985.0652867134.

The spelling of 955861666 in words is "nine hundred fifty-five million, eight hundred sixty-one thousand, six hundred sixty-six".