1630137650 has 48 divisors (see below), whose sum is σ = 3350035584. Its totient is φ = 587009280.

The previous prime is 1630137631. The next prime is 1630137659. The reversal of 1630137650 is 567310361.

It is not an unprimeable number, because it can be changed into a prime (1630137659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22142 + ... + 61241.

It is an arithmetic number, because the mean of its divisors is an integer number (69792408).

Almost surely, 2^1630137650 is an apocalyptic number.

1630137650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1630137650 is an abundant number, since it is smaller than the sum of its proper divisors (1719897934).

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

1630137650 is a wasteful number, since it uses less digits than its factorization.

1630137650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83435 (or 83430 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 1630137650 is about 40374.9631578779. The cubic root of 1630137650 is about 1176.9050490693.

The spelling of 1630137650 in words is "one billion, six hundred thirty million, one hundred thirty-seven thousand, six hundred fifty".