1606615161 has 8 divisors (see below), whose sum is σ = 2142381984. Its totient is φ = 1070962560.

The previous prime is 1606615139. The next prime is 1606615163. The reversal of 1606615161 is 1615166061.

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

It is not a de Polignac number, because 1606615161 - 2²⁵ = 1573060729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1606615163) 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, 12841 + ... + 58121.

It is an arithmetic number, because the mean of its divisors is an integer number (267797748).

Almost surely, 2^1606615161 is an apocalyptic number.

It is an amenable number.

1606615161 is a deficient number, since it is larger than the sum of its proper divisors (535766823).

1606615161 is a wasteful number, since it uses less digits than its factorization.

1606615161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57111.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 1606615161 is about 40082.6042192869. The cubic root of 1606615161 is about 1171.2167829231.

The spelling of 1606615161 in words is "one billion, six hundred six million, six hundred fifteen thousand, one hundred sixty-one".