1610630663 has 2 divisors, whose sum is σ = 1610630664. Its totient is φ = 1610630662.

The previous prime is 1610630653. The next prime is 1610630701. The reversal of 1610630663 is 3660360161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1610630663 - 2⁶ = 1610630599 is a prime.

It is a super-2 number, since 2×1610630663² = 5188262265191639138, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1610630633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805315331 + 805315332.

It is an arithmetic number, because the mean of its divisors is an integer number (805315332).

Almost surely, 2^1610630663 is an apocalyptic number.

1610630663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610630663 is an equidigital number, since it uses as much as digits as its factorization.

1610630663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 1610630663 is about 40132.6632931332. The cubic root of 1610630663 is about 1172.1917333872.

The spelling of 1610630663 in words is "one billion, six hundred ten million, six hundred thirty thousand, six hundred sixty-three".