1610161608 has 32 divisors (see below), whose sum is σ = 4391350560. Its totient is φ = 487927680.

The previous prime is 1610161603. The next prime is 1610161649. The reversal of 1610161608 is 8061610161.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1610161603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3049285 + ... + 3049812.

It is an arithmetic number, because the mean of its divisors is an integer number (137229705).

Almost surely, 2^1610161608 is an apocalyptic number.

It is an amenable number.

1610161608 is an abundant number, since it is smaller than the sum of its proper divisors (2781188952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1610161608 is a wasteful number, since it uses less digits than its factorization.

1610161608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099117 (or 6099113 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1610161608 is about 40126.8190615703. The cubic root of 1610161608 is about 1172.0779320487.

Adding to 1610161608 its reverse (8061610161), we get a palindrome (9671771769).

The spelling of 1610161608 in words is "one billion, six hundred ten million, one hundred sixty-one thousand, six hundred eight".