1466866853 has 2 divisors, whose sum is σ = 1466866854. Its totient is φ = 1466866852.

The previous prime is 1466866847. The next prime is 1466866871. The reversal of 1466866853 is 3586686641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850188964 + 616677889 = 29158^2 + 24833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1466866853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1466866795 and 1466866804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1466836853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 733433426 + 733433427.

It is an arithmetic number, because the mean of its divisors is an integer number (733433427).

Almost surely, 2^1466866853 is an apocalyptic number.

It is an amenable number.

1466866853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1466866853 is an equidigital number, since it uses as much as digits as its factorization.

1466866853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 53.

The square root of 1466866853 is about 38299.6978186513. The cubic root of 1466866853 is about 1136.2229704851. Note that the first 3 decimals are identical.

The spelling of 1466866853 in words is "one billion, four hundred sixty-six million, eight hundred sixty-six thousand, eight hundred fifty-three".