3656633106 has 64 divisors (see below), whose sum is σ = 8812108800. Its totient is φ = 988168896.

The previous prime is 3656633089. The next prime is 3656633111. The reversal of 3656633106 is 6013366563.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 541680 + ... + 548388.

It is an arithmetic number, because the mean of its divisors is an integer number (137689200).

Almost surely, 2^3656633106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3656633106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4406054400).

3656633106 is an abundant number, since it is smaller than the sum of its proper divisors (5155475694).

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

3656633106 is a wasteful number, since it uses less digits than its factorization.

3656633106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7423.

The product of its (nonzero) digits is 174960, while the sum is 39.

The square root of 3656633106 is about 60470.1009259948. The cubic root of 3656633106 is about 1540.6138422643.

Adding to 3656633106 its reverse (6013366563), we get a palindrome (9669999669).

The spelling of 3656633106 in words is "three billion, six hundred fifty-six million, six hundred thirty-three thousand, one hundred six".