166177483 has 2 divisors, whose sum is σ = 166177484. Its totient is φ = 166177482.

The previous prime is 166177457. The next prime is 166177493. The reversal of 166177483 is 384771661.

It is a strong prime.

It is an emirp because it is prime and its reverse (384771661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166177483 - 2²¹ = 164080331 is a prime.

It is a super-4 number, since 4×166177483⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (166177433) 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, 83088741 + 83088742.

It is an arithmetic number, because the mean of its divisors is an integer number (83088742).

Almost surely, 2^166177483 is an apocalyptic number.

166177483 is a deficient number, since it is larger than the sum of its proper divisors (1).

166177483 is an equidigital number, since it uses as much as digits as its factorization.

166177483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 166177483 is about 12890.9845628641. The cubic root of 166177483 is about 549.7822642267.

The spelling of 166177483 in words is "one hundred sixty-six million, one hundred seventy-seven thousand, four hundred eighty-three".