1023016666 has 64 divisors (see below), whose sum is σ = 1844156160. Its totient is φ = 416586240.

The previous prime is 1023016661. The next prime is 1023016669. The reversal of 1023016666 is 6666103201.

It is not an unprimeable number, because it can be changed into a prime (1023016661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5192880 + ... + 5193076.

It is an arithmetic number, because the mean of its divisors is an integer number (28814940).

Almost surely, 2^1023016666 is an apocalyptic number.

1023016666 is a deficient number, since it is larger than the sum of its proper divisors (821139494).

1023016666 is a wasteful number, since it uses less digits than its factorization.

1023016666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1023016666 is about 31984.6317158725. The cubic root of 1023016666 is about 1007.6141003348.

Adding to 1023016666 its reverse (6666103201), we get a palindrome (7689119867).

It can be divided in two parts, 10230 and 16666, that added together give a square (26896 = 164²).

The spelling of 1023016666 in words is "one billion, twenty-three million, sixteen thousand, six hundred sixty-six".