456663861 has 12 divisors (see below), whose sum is σ = 659999340. Its totient is φ = 304270080.

The previous prime is 456663853. The next prime is 456663871. The reversal of 456663861 is 168366654.

It can be written as a sum of positive squares in 2 ways, for example, as 92044836 + 364619025 = 9594^2 + 19095^2 .

It is not a de Polignac number, because 456663861 - 2³ = 456663853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456663811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3571 + ... + 30431.

It is an arithmetic number, because the mean of its divisors is an integer number (54999945).

Almost surely, 2^456663861 is an apocalyptic number.

It is an amenable number.

456663861 is a deficient number, since it is larger than the sum of its proper divisors (203335479).

456663861 is a wasteful number, since it uses less digits than its factorization.

456663861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28756 (or 28753 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 456663861 is about 21369.6949206113. The cubic root of 456663861 is about 770.0735641191.

The spelling of 456663861 in words is "four hundred fifty-six million, six hundred sixty-three thousand, eight hundred sixty-one".