1066646486 has 8 divisors (see below), whose sum is σ = 1627088040. Its totient is φ = 524283808.

The previous prime is 1066646461. The next prime is 1066646489. The reversal of 1066646486 is 6846466601.

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

It is a super-2 number, since 2×1066646486² = 2275469452192296392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066646486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066646489) 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, 4519571 + ... + 4519806.

It is an arithmetic number, because the mean of its divisors is an integer number (203386005).

Almost surely, 2^1066646486 is an apocalyptic number.

1066646486 is a deficient number, since it is larger than the sum of its proper divisors (560441554).

1066646486 is an equidigital number, since it uses as much as digits as its factorization.

1066646486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039438.

The product of its (nonzero) digits is 995328, while the sum is 47.

The square root of 1066646486 is about 32659.5542835477. The cubic root of 1066646486 is about 1021.7394662194.

The spelling of 1066646486 in words is "one billion, sixty-six million, six hundred forty-six thousand, four hundred eighty-six".