456828661 has 2 divisors, whose sum is σ = 456828662. Its totient is φ = 456828660.

The previous prime is 456828653. The next prime is 456828703. The reversal of 456828661 is 166828654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410670225 + 46158436 = 20265^2 + 6794^2 .

It is a cyclic number.

It is not a de Polignac number, because 456828661 - 2³ = 456828653 is a prime.

It is a super-2 number, since 2×456828661² = 417384851022105842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456828611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228414330 + 228414331.

It is an arithmetic number, because the mean of its divisors is an integer number (228414331).

Almost surely, 2^456828661 is an apocalyptic number.

It is an amenable number.

456828661 is a deficient number, since it is larger than the sum of its proper divisors (1).

456828661 is an equidigital number, since it uses as much as digits as its factorization.

456828661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 46.

The square root of 456828661 is about 21373.5505005603. The cubic root of 456828661 is about 770.1661872139.

The spelling of 456828661 in words is "four hundred fifty-six million, eight hundred twenty-eight thousand, six hundred sixty-one".