2106030636 has 36 divisors (see below), whose sum is σ = 5347050072. Its totient is φ = 698914944.

The previous prime is 2106030617. The next prime is 2106030637. The reversal of 2106030636 is 6360306012.

2106030636 is a `hidden beast` number, since 21 + 0 + 6 + 0 + 3 + 0 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2106030637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120685 + ... + 137028.

Almost surely, 2^2106030636 is an apocalyptic number.

It is an amenable number.

2106030636 is an abundant number, since it is smaller than the sum of its proper divisors (3241019436).

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

2106030636 is a wasteful number, since it uses less digits than its factorization.

2106030636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257950 (or 257945 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 2106030636 is about 45891.5094107832. The cubic root of 2106030636 is about 1281.8038199195.

Adding to 2106030636 its reverse (6360306012), we get a palindrome (8466336648).

The spelling of 2106030636 in words is "two billion, one hundred six million, thirty thousand, six hundred thirty-six".