4645646161 has 8 divisors (see below), whose sum is σ = 5005434560. Its totient is φ = 4286205072.

The previous prime is 4645646087. The next prime is 4645646179. The reversal of 4645646161 is 1616465464.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4645646161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4645646861) 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, 58701 + ... + 112858.

It is an arithmetic number, because the mean of its divisors is an integer number (625679320).

Almost surely, 2^4645646161 is an apocalyptic number.

It is an amenable number.

4645646161 is a deficient number, since it is larger than the sum of its proper divisors (359788399).

4645646161 is a wasteful number, since it uses less digits than its factorization.

4645646161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173655.

The product of its digits is 414720, while the sum is 43.

The square root of 4645646161 is about 68158.9771123364. The cubic root of 4645646161 is about 1668.5864382683.

The spelling of 4645646161 in words is "four billion, six hundred forty-five million, six hundred forty-six thousand, one hundred sixty-one".