1466564081 has 2 divisors, whose sum is σ = 1466564082. Its totient is φ = 1466564080.

The previous prime is 1466563999. The next prime is 1466564093. The reversal of 1466564081 is 1804656641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1451229025 + 15335056 = 38095^2 + 3916^2 .

It is a cyclic number.

It is not a de Polignac number, because 1466564081 - 2¹⁰ = 1466563057 is a prime.

It is a super-2 number, since 2×1466564081² = 4301620407358749122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1466564681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 733282040 + 733282041.

It is an arithmetic number, because the mean of its divisors is an integer number (733282041).

Almost surely, 2^1466564081 is an apocalyptic number.

It is an amenable number.

1466564081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1466564081 is an equidigital number, since it uses as much as digits as its factorization.

1466564081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 1466564081 is about 38295.7449464036. The cubic root of 1466564081 is about 1136.1447902075.

The spelling of 1466564081 in words is "one billion, four hundred sixty-six million, five hundred sixty-four thousand, eighty-one".