166362877 has 2 divisors, whose sum is σ = 166362878. Its totient is φ = 166362876.

The previous prime is 166362827. The next prime is 166362883. The reversal of 166362877 is 778263661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90516196 + 75846681 = 9514^2 + 8709^2 .

It is a cyclic number.

It is not a de Polignac number, because 166362877 - 2¹¹ = 166360829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166362817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83181438 + 83181439.

It is an arithmetic number, because the mean of its divisors is an integer number (83181439).

Almost surely, 2^166362877 is an apocalyptic number.

It is an amenable number.

166362877 is a deficient number, since it is larger than the sum of its proper divisors (1).

166362877 is an equidigital number, since it uses as much as digits as its factorization.

166362877 is an evil number, because the sum of its binary digits is even.

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

The square root of 166362877 is about 12898.1733978110. The cubic root of 166362877 is about 549.9866409978.

The spelling of 166362877 in words is "one hundred sixty-six million, three hundred sixty-two thousand, eight hundred seventy-seven".