168432541 has 2 divisors, whose sum is σ = 168432542. Its totient is φ = 168432540.

The previous prime is 168432487. The next prime is 168432557. The reversal of 168432541 is 145234861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117809316 + 50623225 = 10854^2 + 7115^2 .

It is a cyclic number.

It is not a de Polignac number, because 168432541 - 2¹³ = 168424349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168432497 and 168432506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168432571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84216270 + 84216271.

It is an arithmetic number, because the mean of its divisors is an integer number (84216271).

Almost surely, 2^168432541 is an apocalyptic number.

It is an amenable number.

168432541 is a deficient number, since it is larger than the sum of its proper divisors (1).

168432541 is an equidigital number, since it uses as much as digits as its factorization.

168432541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 168432541 is about 12978.1563020330. The cubic root of 168432541 is about 552.2579801707.

It can be divided in two parts, 1684 and 32541, that added together give a square (34225 = 185²).

The spelling of 168432541 in words is "one hundred sixty-eight million, four hundred thirty-two thousand, five hundred forty-one".