1020664606 has 16 divisors (see below), whose sum is σ = 1720452384. Its totient is φ = 450594144.

The previous prime is 1020664577. The next prime is 1020664607. The reversal of 1020664606 is 6064660201.

It is a super-2 number, since 2×1020664606² = 2083512475882270472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020664607) 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 7 ways as a sum of consecutive naturals, for example, 852801 + ... + 853996.

It is an arithmetic number, because the mean of its divisors is an integer number (107528274).

Almost surely, 2^1020664606 is an apocalyptic number.

1020664606 is a deficient number, since it is larger than the sum of its proper divisors (699787778).

1020664606 is a wasteful number, since it uses less digits than its factorization.

1020664606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706835.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1020664606 is about 31947.8419615473. The cubic root of 1020664606 is about 1006.8412919923.

The spelling of 1020664606 in words is "one billion, twenty million, six hundred sixty-four thousand, six hundred six".