166460543 has 2 divisors, whose sum is σ = 166460544. Its totient is φ = 166460542.

The previous prime is 166460479. The next prime is 166460561. The reversal of 166460543 is 345064661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166460543 - 2⁶ = 166460479 is a prime.

It is a super-2 number, since 2×166460543² = 55418224751709698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166460443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83230271 + 83230272.

It is an arithmetic number, because the mean of its divisors is an integer number (83230272).

Almost surely, 2^166460543 is an apocalyptic number.

166460543 is a deficient number, since it is larger than the sum of its proper divisors (1).

166460543 is an equidigital number, since it uses as much as digits as its factorization.

166460543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 166460543 is about 12901.9588822783. The cubic root of 166460543 is about 550.0942461083.

The spelling of 166460543 in words is "one hundred sixty-six million, four hundred sixty thousand, five hundred forty-three".