1630323085 has 8 divisors (see below), whose sum is σ = 1956664800. Its totient is φ = 1304073744.

The previous prime is 1630323083. The next prime is 1630323143. The reversal of 1630323085 is 5803230361.

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 1630323085 - 2¹ = 1630323083 is a prime.

It is a super-2 number, since 2×1630323085² = 5315906722967834450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630323083) 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, 24754 + ... + 62236.

It is an arithmetic number, because the mean of its divisors is an integer number (244583100).

Almost surely, 2^1630323085 is an apocalyptic number.

It is an amenable number.

1630323085 is a deficient number, since it is larger than the sum of its proper divisors (326341715).

1630323085 is an equidigital number, since it uses as much as digits as its factorization.

1630323085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46187.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1630323085 is about 40377.2595033393. The cubic root of 1630323085 is about 1176.9496733404.

The spelling of 1630323085 in words is "one billion, six hundred thirty million, three hundred twenty-three thousand, eighty-five".