102220176066 has 32 divisors (see below), whose sum is σ = 210325647168. Its totient is φ = 33099644160.

The previous prime is 102220176059. The next prime is 102220176067. The reversal of 102220176066 is 660671022201.

It is not an unprimeable number, because it can be changed into a prime (102220176067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834376 + ... + 949011.

It is an arithmetic number, because the mean of its divisors is an integer number (6572676474).

Almost surely, 2^102220176066 is an apocalyptic number.

102220176066 is an abundant number, since it is smaller than the sum of its proper divisors (108105471102).

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

102220176066 is a wasteful number, since it uses less digits than its factorization.

102220176066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783666.

The product of its (nonzero) digits is 12096, while the sum is 33.

Adding to 102220176066 its reverse (660671022201), we get a palindrome (762891198267).

The spelling of 102220176066 in words is "one hundred two billion, two hundred twenty million, one hundred seventy-six thousand, sixty-six".