2172606102 has 24 divisors (see below), whose sum is σ = 4710356040. Its totient is φ = 723733920.

The previous prime is 2172606061. The next prime is 2172606131. The reversal of 2172606102 is 2016062712.

2172606102 is a `hidden beast` number, since 21 + 7 + 26 + 0 + 610 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9799 + ... + 66642.

It is an arithmetic number, because the mean of its divisors is an integer number (196264835).

Almost surely, 2^2172606102 is an apocalyptic number.

2172606102 is an abundant number, since it is smaller than the sum of its proper divisors (2537749938).

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

2172606102 is a wasteful number, since it uses less digits than its factorization.

2172606102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78028 (or 78025 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2172606102 is about 46611.2229189495. Note that the first 3 decimals coincide. The cubic root of 2172606102 is about 1295.1706621035.

Adding to 2172606102 its reverse (2016062712), we get a palindrome (4188668814).

The spelling of 2172606102 in words is "two billion, one hundred seventy-two million, six hundred six thousand, one hundred two".