2180806102 has 8 divisors (see below), whose sum is σ = 3278980512. Its totient is φ = 1087812600.

The previous prime is 2180806091. The next prime is 2180806153. The reversal of 2180806102 is 2016080812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294174 + ... + 1295857.

It is an arithmetic number, because the mean of its divisors is an integer number (409872564).

Almost surely, 2^2180806102 is an apocalyptic number.

2180806102 is a deficient number, since it is larger than the sum of its proper divisors (1098174410).

2180806102 is a wasteful number, since it uses less digits than its factorization.

2180806102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590454.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 2180806102 is about 46699.1017258362. The cubic root of 2180806102 is about 1296.7980572628.

Adding to 2180806102 its reverse (2016080812), we get a palindrome (4196886914).

The spelling of 2180806102 in words is "two billion, one hundred eighty million, eight hundred six thousand, one hundred two".