1606464161 has 8 divisors (see below), whose sum is σ = 1621638144. Its totient is φ = 1591307200.

The previous prime is 1606464157. The next prime is 1606464163. The reversal of 1606464161 is 1614646061.

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

It is a cyclic number.

It is not a de Polignac number, because 1606464161 - 2² = 1606464157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1606464163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262640 + ... + 268686.

It is an arithmetic number, because the mean of its divisors is an integer number (202704768).

Almost surely, 2^1606464161 is an apocalyptic number.

It is an amenable number.

1606464161 is a deficient number, since it is larger than the sum of its proper divisors (15173983).

1606464161 is a wasteful number, since it uses less digits than its factorization.

1606464161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8511.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1606464161 is about 40080.7205648801. The cubic root of 1606464161 is about 1171.1800889512.

The spelling of 1606464161 in words is "one billion, six hundred six million, four hundred sixty-four thousand, one hundred sixty-one".