1066580907 has 32 divisors (see below), whose sum is σ = 1685842944. Its totient is φ = 587088000.

The previous prime is 1066580899. The next prime is 1066580939. The reversal of 1066580907 is 7090856601.

It is not a de Polignac number, because 1066580907 - 2³ = 1066580899 is a prime.

It is a super-2 number, since 2×1066580907² = 2275189662353885298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066580407) 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, 71682 + ... + 85272.

It is an arithmetic number, because the mean of its divisors is an integer number (52682592).

Almost surely, 2^1066580907 is an apocalyptic number.

1066580907 is a deficient number, since it is larger than the sum of its proper divisors (619262037).

1066580907 is a wasteful number, since it uses less digits than its factorization.

1066580907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13739.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1066580907 is about 32658.5502893193. The cubic root of 1066580907 is about 1021.7185264402.

The spelling of 1066580907 in words is "one billion, sixty-six million, five hundred eighty thousand, nine hundred seven".