102168851 has 2 divisors, whose sum is σ = 102168852. Its totient is φ = 102168850.

The previous prime is 102168811. The next prime is 102168863. The reversal of 102168851 is 158861201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102168851 - 2¹⁰ = 102167827 is a prime.

It is a super-2 number, since 2×102168851² = 20876948229320402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102168811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51084425 + 51084426.

It is an arithmetic number, because the mean of its divisors is an integer number (51084426).

Almost surely, 2^102168851 is an apocalyptic number.

102168851 is a deficient number, since it is larger than the sum of its proper divisors (1).

102168851 is an equidigital number, since it uses as much as digits as its factorization.

102168851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 102168851 is about 10107.8608518321. The cubic root of 102168851 is about 467.4905501059.

It can be divided in two parts, 102168 and 851, that multiplied together give a palindrome (86944968).

The spelling of 102168851 in words is "one hundred two million, one hundred sixty-eight thousand, eight hundred fifty-one".