166315411 has 2 divisors, whose sum is σ = 166315412. Its totient is φ = 166315410.

The previous prime is 166315363. The next prime is 166315427. The reversal of 166315411 is 114513661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166315411 - 2²¹ = 164218259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166315411.

It is not a weakly prime, because it can be changed into another prime (166315711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83157705 + 83157706.

It is an arithmetic number, because the mean of its divisors is an integer number (83157706).

Almost surely, 2^166315411 is an apocalyptic number.

166315411 is a deficient number, since it is larger than the sum of its proper divisors (1).

166315411 is an equidigital number, since it uses as much as digits as its factorization.

166315411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 166315411 is about 12896.3332385605. Note that the first 3 decimals coincide. The cubic root of 166315411 is about 549.9343293492.

The spelling of 166315411 in words is "one hundred sixty-six million, three hundred fifteen thousand, four hundred eleven".