166362787 has 2 divisors, whose sum is σ = 166362788. Its totient is φ = 166362786.

The previous prime is 166362701. The next prime is 166362797. The reversal of 166362787 is 787263661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166362787 - 2¹⁵ = 166330019 is a prime.

It is not a weakly prime, because it can be changed into another prime (166362797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83181393 + 83181394.

It is an arithmetic number, because the mean of its divisors is an integer number (83181394).

Almost surely, 2^166362787 is an apocalyptic number.

166362787 is a deficient number, since it is larger than the sum of its proper divisors (1).

166362787 is an equidigital number, since it uses as much as digits as its factorization.

166362787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 166362787 is about 12898.1699089444. The cubic root of 166362787 is about 549.9865418194.

The spelling of 166362787 in words is "one hundred sixty-six million, three hundred sixty-two thousand, seven hundred eighty-seven".