160166401 has 6 divisors (see below), whose sum is σ = 170142470. Its totient is φ = 150744576.

The previous prime is 160166389. The next prime is 160166467. The reversal of 160166401 is 104661061.

It can be written as a sum of positive squares in 3 ways, for example, as 60466176 + 99700225 = 7776^2 + 9985^2 .

It is not a de Polignac number, because 160166401 - 2¹⁹ = 159642113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160160401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 276816 + ... + 277393.

Almost surely, 2^160166401 is an apocalyptic number.

It is an amenable number.

160166401 is a deficient number, since it is larger than the sum of its proper divisors (9976069).

160166401 is an equidigital number, since it uses as much as digits as its factorization.

160166401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554243 (or 554226 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 160166401 is about 12655.6865084435. The cubic root of 160166401 is about 543.0716588658.

The spelling of 160166401 in words is "one hundred sixty million, one hundred sixty-six thousand, four hundred one".