1630536000 has 112 divisors (see below), whose sum is σ = 5384109120. Its totient is φ = 434803200.

The previous prime is 1630535999. The next prime is 1630536001. The reversal of 1630536000 is 6350361.

It is an interprime number because it is at equal distance from previous prime (1630535999) and next prime (1630536001).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630536001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9970 + ... + 57969.

Almost surely, 2^1630536000 is an apocalyptic number.

1630536000 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 1630536000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2692054560).

1630536000 is an abundant number, since it is smaller than the sum of its proper divisors (3753573120).

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

1630536000 is an equidigital number, since it uses as much as digits as its factorization.

1630536000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67969 (or 67949 counting only the distinct ones).

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

The square root of 1630536000 is about 40379.8959879790. The cubic root of 1630536000 is about 1177.0009064025. Note that the first 3 decimals are identical.

Adding to 1630536000 its reverse (6350361), we get a palindrome (1636886361).

The spelling of 1630536000 in words is "one billion, six hundred thirty million, five hundred thirty-six thousand".