1466880865 has 4 divisors (see below), whose sum is σ = 1760257044. Its totient is φ = 1173504688.

The previous prime is 1466880817. The next prime is 1466880881. The reversal of 1466880865 is 5680886641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5680886641 = 25111 ⋅226231.

It can be written as a sum of positive squares in 2 ways, for example, as 900060001 + 566820864 = 30001^2 + 23808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1466880865 - 2¹¹ = 1466878817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146688082 + ... + 146688091.

It is an arithmetic number, because the mean of its divisors is an integer number (440064261).

Almost surely, 2^1466880865 is an apocalyptic number.

It is an amenable number.

1466880865 is a deficient number, since it is larger than the sum of its proper divisors (293376179).

1466880865 is an equidigital number, since it uses as much as digits as its factorization.

1466880865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293376178.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The square root of 1466880865 is about 38299.8807439397. The cubic root of 1466880865 is about 1136.2265883335.

The spelling of 1466880865 in words is "one billion, four hundred sixty-six million, eight hundred eighty thousand, eight hundred sixty-five".