168342805051 has 2 divisors, whose sum is σ = 168342805052. Its totient is φ = 168342805050.

The previous prime is 168342804923. The next prime is 168342805153. The reversal of 168342805051 is 150508243861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168342805051 - 2⁷ = 168342804923 is a prime.

It is a super-2 number, since 2×168342805051² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 168342804989 and 168342805007.

It is not a weakly prime, because it can be changed into another prime (168342805651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84171402525 + 84171402526.

It is an arithmetic number, because the mean of its divisors is an integer number (84171402526).

Almost surely, 2^168342805051 is an apocalyptic number.

168342805051 is a deficient number, since it is larger than the sum of its proper divisors (1).

168342805051 is an equidigital number, since it uses as much as digits as its factorization.

168342805051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 168342805051 in words is "one hundred sixty-eight billion, three hundred forty-two million, eight hundred five thousand, fifty-one".