1630516300 has 144 divisors (see below), whose sum is σ = 4319723520. Its totient is φ = 522144000.

The previous prime is 1630516273. The next prime is 1630516301. The reversal of 1630516300 is 36150361.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1630516301) 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, 628005 + ... + 630595.

It is an arithmetic number, because the mean of its divisors is an integer number (29998080).

Almost surely, 2^1630516300 is an apocalyptic number.

1630516300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1630516300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2159861760).

1630516300 is an abundant number, since it is smaller than the sum of its proper divisors (2689207220).

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

1630516300 is a wasteful number, since it uses less digits than its factorization.

1630516300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672 (or 2665 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1630516300 is about 40379.6520539739. The cubic root of 1630516300 is about 1176.9961662412.

Adding to 1630516300 its reverse (36150361), we get a palindrome (1666666661).

The spelling of 1630516300 in words is "one billion, six hundred thirty million, five hundred sixteen thousand, three hundred".