166883737 has 2 divisors, whose sum is σ = 166883738. Its totient is φ = 166883736.

The previous prime is 166883729. The next prime is 166883741. The reversal of 166883737 is 737388661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134119561 + 32764176 = 11581^2 + 5724^2 .

It is a cyclic number.

It is not a de Polignac number, because 166883737 - 2³ = 166883729 is a prime.

It is not a weakly prime, because it can be changed into another prime (166883797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83441868 + 83441869.

It is an arithmetic number, because the mean of its divisors is an integer number (83441869).

Almost surely, 2^166883737 is an apocalyptic number.

It is an amenable number.

166883737 is a deficient number, since it is larger than the sum of its proper divisors (1).

166883737 is an equidigital number, since it uses as much as digits as its factorization.

166883737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 166883737 is about 12918.3488496015. The cubic root of 166883737 is about 550.5600213168.

It can be divided in two parts, 16688373 and 7, that multiplied together give a palindrome (116818611).

The spelling of 166883737 in words is "one hundred sixty-six million, eight hundred eighty-three thousand, seven hundred thirty-seven".