166147363883 has 2 divisors, whose sum is σ = 166147363884. Its totient is φ = 166147363882.

The previous prime is 166147363849. The next prime is 166147363891. The reversal of 166147363883 is 388363741661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166147363883 - 2¹⁸ = 166147101739 is a prime.

It is a super-3 number, since 3×166147363883³ (a number of 35 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (166147333883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83073681941 + 83073681942.

It is an arithmetic number, because the mean of its divisors is an integer number (83073681942).

Almost surely, 2^166147363883 is an apocalyptic number.

166147363883 is a deficient number, since it is larger than the sum of its proper divisors (1).

166147363883 is an equidigital number, since it uses as much as digits as its factorization.

166147363883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 56.

The spelling of 166147363883 in words is "one hundred sixty-six billion, one hundred forty-seven million, three hundred sixty-three thousand, eight hundred eighty-three".