102142206163 has 4 divisors (see below), whose sum is σ = 104315444640. Its totient is φ = 99968967688.

The previous prime is 102142206143. The next prime is 102142206181. The reversal of 102142206163 is 361602241201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102142206163 - 2⁹ = 102142205651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102142206143) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1086619168 + ... + 1086619261.

It is an arithmetic number, because the mean of its divisors is an integer number (26078861160).

Almost surely, 2^102142206163 is an apocalyptic number.

102142206163 is a deficient number, since it is larger than the sum of its proper divisors (2173238477).

102142206163 is an equidigital number, since it uses as much as digits as its factorization.

102142206163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173238476.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 102142206163 its reverse (361602241201), we get a palindrome (463744447364).

The spelling of 102142206163 in words is "one hundred two billion, one hundred forty-two million, two hundred six thousand, one hundred sixty-three".