102166202051 has 16 divisors (see below), whose sum is σ = 108866163840. Its totient is φ = 95599103040.

The previous prime is 102166202027. The next prime is 102166202063. The reversal of 102166202051 is 150202661201.

It is a cyclic number.

It is not a de Polignac number, because 102166202051 - 2⁶ = 102166201987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102166202051.

It is not an unprimeable number, because it can be changed into a prime (102166202351) 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, 11985671 + ... + 11994191.

It is an arithmetic number, because the mean of its divisors is an integer number (6804135240).

Almost surely, 2^102166202051 is an apocalyptic number.

102166202051 is a deficient number, since it is larger than the sum of its proper divisors (6699961789).

102166202051 is an equidigital number, since it uses as much as digits as its factorization.

102166202051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16226.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 102166202051 its reverse (150202661201), we get a palindrome (252368863252).

The spelling of 102166202051 in words is "one hundred two billion, one hundred sixty-six million, two hundred two thousand, fifty-one".