2016632500 has 60 divisors (see below), whose sum is σ = 4432031296. Its totient is φ = 802620000.

The previous prime is 2016632473. The next prime is 2016632509. The reversal of 2016632500 is 52366102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016632509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 525589 + ... + 529411.

Almost surely, 2^2016632500 is an apocalyptic number.

2016632500 is a gapful number since it is divisible by the number (20) 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 2016632500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2216015648).

2016632500 is an abundant number, since it is smaller than the sum of its proper divisors (2415398796).

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

2016632500 is a wasteful number, since it uses less digits than its factorization.

2016632500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058 (or 4041 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2016632500 is about 44906.9315362339. The cubic root of 2016632500 is about 1263.4040187281.

Adding to 2016632500 its reverse (52366102), we get a palindrome (2068998602).

The spelling of 2016632500 in words is "two billion, sixteen million, six hundred thirty-two thousand, five hundred".