1066682601 has 10 divisors (see below), whose sum is σ = 1593439562. Its totient is φ = 711121680.

The previous prime is 1066682599. The next prime is 1066682623. The reversal of 1066682601 is 1062866601.

It can be written as a sum of positive squares in only one way, i.e., 1056185001 + 10497600 = 32499^2 + 3240^2 .

It is not a de Polignac number, because 1066682601 - 2¹ = 1066682599 is a prime.

It is a super-2 number, since 2×1066682601² = 2275623542552250402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066682641) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6584380 + ... + 6584541.

Almost surely, 2^1066682601 is an apocalyptic number.

It is an amenable number.

1066682601 is a deficient number, since it is larger than the sum of its proper divisors (526756961).

1066682601 is an equidigital number, since it uses as much as digits as its factorization.

1066682601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13168933 (or 13168924 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1066682601 is about 32660.1071798609. The cubic root of 1066682601 is about 1021.7509975952.

The spelling of 1066682601 in words is "one billion, sixty-six million, six hundred eighty-two thousand, six hundred one".