1630720664363 has 8 divisors (see below), whose sum is σ = 1927945613280. Its totient is φ = 1349561928960.

The previous prime is 1630720664323. The next prime is 1630720664411. The reversal of 1630720664363 is 3634660270361.

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

It is not a de Polignac number, because 1630720664363 - 2²⁸ = 1630452228907 is a prime.

It is a super-3 number, since 3×1630720664363³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630720664323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4016553158 + ... + 4016553563.

It is an arithmetic number, because the mean of its divisors is an integer number (240993201660).

Almost surely, 2^{1630720664363} is an apocalyptic number.

1630720664363 is a deficient number, since it is larger than the sum of its proper divisors (297224948917).

1630720664363 is an equidigital number, since it uses as much as digits as its factorization.

1630720664363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8033106757.

The product of its (nonzero) digits is 1959552, while the sum is 47.

The spelling of 1630720664363 in words is "one trillion, six hundred thirty billion, seven hundred twenty million, six hundred sixty-four thousand, three hundred sixty-three".