168025345543 has 16 divisors (see below), whose sum is σ = 183953885184. Its totient is φ = 152206428960.

The previous prime is 168025345511. The next prime is 168025345597. The reversal of 168025345543 is 345543520861.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 168025345543 - 2⁵ = 168025345511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168025345493 and 168025345502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168025345843) 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, 4976946 + ... + 5010592.

It is an arithmetic number, because the mean of its divisors is an integer number (11497117824).

Almost surely, 2^168025345543 is an apocalyptic number.

168025345543 is a deficient number, since it is larger than the sum of its proper divisors (15928539641).

168025345543 is a wasteful number, since it uses less digits than its factorization.

168025345543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35262.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 168025345543 in words is "one hundred sixty-eight billion, twenty-five million, three hundred forty-five thousand, five hundred forty-three".