3640206106 has 16 divisors (see below), whose sum is σ = 5524283520. Its totient is φ = 1798830720.

The previous prime is 3640206091. The next prime is 3640206109. The reversal of 3640206106 is 6016020463.

3640206106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3640206106² = 26502200988319366472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3640206109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130671 + ... + 156061.

It is an arithmetic number, because the mean of its divisors is an integer number (345267720).

Almost surely, 2^3640206106 is an apocalyptic number.

3640206106 is a deficient number, since it is larger than the sum of its proper divisors (1884077414).

3640206106 is a wasteful number, since it uses less digits than its factorization.

3640206106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26229.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 3640206106 is about 60334.1205786576. The cubic root of 3640206106 is about 1538.3033693086.

Adding to 3640206106 its reverse (6016020463), we get a palindrome (9656226569).

The spelling of 3640206106 in words is "three billion, six hundred forty million, two hundred six thousand, one hundred six".