2635650216 has 96 divisors (see below), whose sum is σ = 7577093160. Its totient is φ = 824795136.

The previous prime is 2635650203. The next prime is 2635650223. The reversal of 2635650216 is 6120565362.

It is a happy number.

2635650216 is a `hidden beast` number, since 2 + 635 + 6 + 5 + 0 + 2 + 16 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2251882116 + 383768100 = 47454^2 + 19590^2 .

It is a super-2 number, since 2×2635650216² = 13893304122201693312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527506 + ... + 532478.

Almost surely, 2^2635650216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2635650216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3788546580).

2635650216 is an abundant number, since it is smaller than the sum of its proper divisors (4941442944).

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

2635650216 is a wasteful number, since it uses less digits than its factorization.

2635650216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435 (or 5428 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 2635650216 is about 51338.5840864354. The cubic root of 2635650216 is about 1381.3251669037.

The spelling of 2635650216 in words is "two billion, six hundred thirty-five million, six hundred fifty thousand, two hundred sixteen".