102166328277 has 24 divisors (see below), whose sum is σ = 159024587904. Its totient is φ = 62832347424.

The previous prime is 102166328269. The next prime is 102166328281. The reversal of 102166328277 is 772823661201.

102166328277 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 6 + 632 + 8 + 2 + 7 + 7 = 666.

It is not a de Polignac number, because 102166328277 - 2³ = 102166328269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102166328237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83673 + ... + 459710.

It is an arithmetic number, because the mean of its divisors is an integer number (6626024496).

Almost surely, 2^102166328277 is an apocalyptic number.

It is an amenable number.

102166328277 is a deficient number, since it is larger than the sum of its proper divisors (56858259627).

102166328277 is a wasteful number, since it uses less digits than its factorization.

102166328277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545009 (or 545006 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

Adding to 102166328277 its reverse (772823661201), we get a palindrome (874989989478).

The spelling of 102166328277 in words is "one hundred two billion, one hundred sixty-six million, three hundred twenty-eight thousand, two hundred seventy-seven".