1630676263 has 8 divisors (see below), whose sum is σ = 1655680736. Its totient is φ = 1605744000.

The previous prime is 1630676237. The next prime is 1630676323. The reversal of 1630676263 is 3626760361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1630676263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630676963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28363 + ... + 63763.

It is an arithmetic number, because the mean of its divisors is an integer number (206960092).

Almost surely, 2^1630676263 is an apocalyptic number.

1630676263 is a deficient number, since it is larger than the sum of its proper divisors (25004473).

1630676263 is an equidigital number, since it uses as much as digits as its factorization.

1630676263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36105.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 1630676263 is about 40381.6327431173. The cubic root of 1630676263 is about 1177.0346550072.

The spelling of 1630676263 in words is "one billion, six hundred thirty million, six hundred seventy-six thousand, two hundred sixty-three".