1630313562661 has 8 divisors (see below), whose sum is σ = 1871212135104. Its totient is φ = 1391414148960.

The previous prime is 1630313562659. The next prime is 1630313562679. The reversal of 1630313562661 is 1662653130361.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1630313562661 - 2¹ = 1630313562659 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 (1630313562641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499787935 + ... + 499791196.

It is an arithmetic number, because the mean of its divisors is an integer number (233901516888).

Almost surely, 2^{1630313562661} is an apocalyptic number.

It is an amenable number.

1630313562661 is a deficient number, since it is larger than the sum of its proper divisors (240898572443).

1630313562661 is an equidigital number, since it uses as much as digits as its factorization.

1630313562661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999579371.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 1630313562661 in words is "one trillion, six hundred thirty billion, three hundred thirteen million, five hundred sixty-two thousand, six hundred sixty-one".