1066450011 has 16 divisors (see below), whose sum is σ = 1566563328. Its totient is φ = 639932000.

The previous prime is 1066449997. The next prime is 1066450019. The reversal of 1066450011 is 1100546601.

It is a cyclic number.

It is not a de Polignac number, because 1066450011 - 2⁷ = 1066449883 is a prime.

It is a super-2 number, since 2×1066450011² = 2274631251923800242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066450019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156651 + ... + 163316.

It is an arithmetic number, because the mean of its divisors is an integer number (97910208).

Almost surely, 2^1066450011 is an apocalyptic number.

1066450011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1066450011 is a deficient number, since it is larger than the sum of its proper divisors (500113317).

1066450011 is a wasteful number, since it uses less digits than its factorization.

1066450011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320082.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1066450011 is about 32656.5462197092. The cubic root of 1066450011 is about 1021.6767279735.

Adding to 1066450011 its reverse (1100546601), we get a palindrome (2166996612).

The spelling of 1066450011 in words is "one billion, sixty-six million, four hundred fifty thousand, eleven".