168462134791 has 2 divisors, whose sum is σ = 168462134792. Its totient is φ = 168462134790.

The previous prime is 168462134777. The next prime is 168462134849. The reversal of 168462134791 is 197431264861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168462134791 - 2⁵ = 168462134759 is a prime.

It is a super-2 number, since 2×168462134791² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168462134761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84231067395 + 84231067396.

It is an arithmetic number, because the mean of its divisors is an integer number (84231067396).

Almost surely, 2^168462134791 is an apocalyptic number.

168462134791 is a deficient number, since it is larger than the sum of its proper divisors (1).

168462134791 is an equidigital number, since it uses as much as digits as its factorization.

168462134791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 52.

The spelling of 168462134791 in words is "one hundred sixty-eight billion, four hundred sixty-two million, one hundred thirty-four thousand, seven hundred ninety-one".