168342525025 has 12 divisors (see below), whose sum is σ = 212166777724. Its totient is φ = 132466248000.

The previous prime is 168342524971. The next prime is 168342525079. The reversal of 168342525025 is 520525243861.

It is an interprime number because it is at equal distance from previous prime (168342524971) and next prime (168342525079).

It can be written as a sum of positive squares in 6 ways, for example, as 51769445841 + 116573079184 = 227529^2 + 341428^2 .

It is not a de Polignac number, because 168342525025 - 2⁹ = 168342524513 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55192746 + ... + 55195795.

Almost surely, 2^168342525025 is an apocalyptic number.

It is an amenable number.

168342525025 is a deficient number, since it is larger than the sum of its proper divisors (43824252699).

168342525025 is a wasteful number, since it uses less digits than its factorization.

168342525025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110388612 (or 110388607 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

Adding to 168342525025 its reverse (520525243861), we get a palindrome (688867768886).

The spelling of 168342525025 in words is "one hundred sixty-eight billion, three hundred forty-two million, five hundred twenty-five thousand, twenty-five".