168022211051 has 2 divisors, whose sum is σ = 168022211052. Its totient is φ = 168022211050.

The previous prime is 168022211047. The next prime is 168022211057. The reversal of 168022211051 is 150112220861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168022211051 - 2² = 168022211047 is a prime.

It is not a weakly prime, because it can be changed into another prime (168022211057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84011105525 + 84011105526.

It is an arithmetic number, because the mean of its divisors is an integer number (84011105526).

Almost surely, 2^168022211051 is an apocalyptic number.

168022211051 is a deficient number, since it is larger than the sum of its proper divisors (1).

168022211051 is an equidigital number, since it uses as much as digits as its factorization.

168022211051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 29.

The spelling of 168022211051 in words is "one hundred sixty-eight billion, twenty-two million, two hundred eleven thousand, fifty-one".