1460666321 has 2 divisors, whose sum is σ = 1460666322. Its totient is φ = 1460666320.

The previous prime is 1460666297. The next prime is 1460666323. The reversal of 1460666321 is 1236660641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1440961600 + 19704721 = 37960^2 + 4439^2 .

It is a cyclic number.

It is not a de Polignac number, because 1460666321 - 2¹⁸ = 1460404177 is a prime.

It is a super-2 number, since 2×1460666321² = 4267092202607350082, which contains 22 as substring.

Together with 1460666323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1460666323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730333160 + 730333161.

It is an arithmetic number, because the mean of its divisors is an integer number (730333161).

Almost surely, 2^1460666321 is an apocalyptic number.

It is an amenable number.

1460666321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1460666321 is an equidigital number, since it uses as much as digits as its factorization.

1460666321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1460666321 is about 38218.6645632733. The cubic root of 1460666321 is about 1134.6197490665.

The spelling of 1460666321 in words is "one billion, four hundred sixty million, six hundred sixty-six thousand, three hundred twenty-one".