1630766763 has 10 divisors (see below), whose sum is σ = 2436083804. Its totient is φ = 1087177788.

The previous prime is 1630766729. The next prime is 1630766771. The reversal of 1630766763 is 3676670361.

1630766763 is a `hidden beast` number, since 1 + 630 + 7 + 6 + 6 + 7 + 6 + 3 = 666.

It is not a de Polignac number, because 1630766763 - 2⁸ = 1630766507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630766363) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10066381 + ... + 10066542.

Almost surely, 2^1630766763 is an apocalyptic number.

1630766763 is a deficient number, since it is larger than the sum of its proper divisors (805317041).

1630766763 is an equidigital number, since it uses as much as digits as its factorization.

1630766763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20132935 (or 20132926 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The square root of 1630766763 is about 40382.7532865207. The cubic root of 1630766763 is about 1177.0564291361.

The spelling of 1630766763 in words is "one billion, six hundred thirty million, seven hundred sixty-six thousand, seven hundred sixty-three".