1630330045 has 16 divisors (see below), whose sum is σ = 2070220032. Its totient is φ = 1229979520.

The previous prime is 1630329997. The next prime is 1630330057. The reversal of 1630330045 is 5400330361.

It is not a de Polignac number, because 1630330045 - 2¹⁹ = 1629805757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91672 + ... + 108001.

It is an arithmetic number, because the mean of its divisors is an integer number (129388752).

Almost surely, 2^1630330045 is an apocalyptic number.

It is an amenable number.

1630330045 is a deficient number, since it is larger than the sum of its proper divisors (439889987).

1630330045 is a wasteful number, since it uses less digits than its factorization.

1630330045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199772.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1630330045 is about 40377.3456903744. The cubic root of 1630330045 is about 1176.9513481737.

The spelling of 1630330045 in words is "one billion, six hundred thirty million, three hundred thirty thousand, forty-five".