166732963 has 2 divisors, whose sum is σ = 166732964. Its totient is φ = 166732962.

The previous prime is 166732939. The next prime is 166732981. The reversal of 166732963 is 369237661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166732963 - 2¹⁷ = 166601891 is a prime.

It is not a weakly prime, because it can be changed into another prime (166732063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83366481 + 83366482.

It is an arithmetic number, because the mean of its divisors is an integer number (83366482).

Almost surely, 2^166732963 is an apocalyptic number.

166732963 is a deficient number, since it is larger than the sum of its proper divisors (1).

166732963 is an equidigital number, since it uses as much as digits as its factorization.

166732963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 43.

The square root of 166732963 is about 12912.5118780197. The cubic root of 166732963 is about 550.3941670327.

The spelling of 166732963 in words is "one hundred sixty-six million, seven hundred thirty-two thousand, nine hundred sixty-three".