160409666 has 8 divisors (see below), whose sum is σ = 253278480. Its totient is φ = 75983508.

The previous prime is 160409663. The next prime is 160409707. The reversal of 160409666 is 666904061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 4221307 = 160409666 / (1 + 6 + 0 + 4 + 0 + 9 + 6 + 6 + 6).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (160409663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2110616 + ... + 2110691.

It is an arithmetic number, because the mean of its divisors is an integer number (31659810).

Almost surely, 2^160409666 is an apocalyptic number.

160409666 is a deficient number, since it is larger than the sum of its proper divisors (92868814).

160409666 is a wasteful number, since it uses less digits than its factorization.

160409666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221328.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 160409666 is about 12665.2937589303. The cubic root of 160409666 is about 543.3464636904.

The spelling of 160409666 in words is "one hundred sixty million, four hundred nine thousand, six hundred sixty-six".