1630003650 has 96 divisors (see below), whose sum is σ = 4454018496. Its totient is φ = 391200000.

The previous prime is 1630003637. The next prime is 1630003657. The reversal of 1630003650 is 563000361.

It is a self number, because there is not a number n which added to its sum of digits gives 1630003650.

It is not an unprimeable number, because it can be changed into a prime (1630003657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161760 + ... + 171540.

It is an arithmetic number, because the mean of its divisors is an integer number (46396026).

Almost surely, 2^1630003650 is an apocalyptic number.

1630003650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1630003650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2227009248).

1630003650 is an abundant number, since it is smaller than the sum of its proper divisors (2824014846).

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

1630003650 is a wasteful number, since it uses less digits than its factorization.

1630003650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9908 (or 9903 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 1630003650 is about 40373.3036795356. The cubic root of 1630003650 is about 1176.8728003411.

The spelling of 1630003650 in words is "one billion, six hundred thirty million, three thousand, six hundred fifty".