1630889036 has 48 divisors (see below), whose sum is σ = 3360403200. Its totient is φ = 678041280.

The previous prime is 1630889027. The next prime is 1630889041. The reversal of 1630889036 is 6309880361.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 174851 + ... + 183941.

It is an arithmetic number, because the mean of its divisors is an integer number (70008400).

Almost surely, 2^1630889036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1630889036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680201600).

1630889036 is an abundant number, since it is smaller than the sum of its proper divisors (1729514164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1630889036 is a wasteful number, since it uses less digits than its factorization.

1630889036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9294 (or 9292 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 1630889036 is about 40384.2671841399. The cubic root of 1630889036 is about 1177.0858465094.

The spelling of 1630889036 in words is "one billion, six hundred thirty million, eight hundred eighty-nine thousand, thirty-six".