166414537 has 2 divisors, whose sum is σ = 166414538. Its totient is φ = 166414536.

The previous prime is 166414519. The next prime is 166414543. The reversal of 166414537 is 735414661.

166414537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163302841 + 3111696 = 12779^2 + 1764^2 .

It is an emirp because it is prime and its reverse (735414661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166414537 - 2¹⁵ = 166381769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166414496 and 166414505.

It is not a weakly prime, because it can be changed into another prime (166414517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83207268 + 83207269.

It is an arithmetic number, because the mean of its divisors is an integer number (83207269).

Almost surely, 2^166414537 is an apocalyptic number.

It is an amenable number.

166414537 is a deficient number, since it is larger than the sum of its proper divisors (1).

166414537 is an equidigital number, since it uses as much as digits as its factorization.

166414537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 166414537 is about 12900.1758515146. The cubic root of 166414537 is about 550.0435634916.

The spelling of 166414537 in words is "one hundred sixty-six million, four hundred fourteen thousand, five hundred thirty-seven".