4546544161 has 4 divisors (see below), whose sum is σ = 4657435524. Its totient is φ = 4435652800.

The previous prime is 4546544147. The next prime is 4546544179. The reversal of 4546544161 is 1614456454.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1624493025 + 2922051136 = 40305^2 + 54056^2 .

It is a cyclic number.

It is not a de Polignac number, because 4546544161 - 2¹¹ = 4546542113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4546544111) 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, 55445620 + ... + 55445701.

It is an arithmetic number, because the mean of its divisors is an integer number (1164358881).

Almost surely, 2^4546544161 is an apocalyptic number.

4546544161 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4546544161 is a deficient number, since it is larger than the sum of its proper divisors (110891363).

4546544161 is a wasteful number, since it uses less digits than its factorization.

4546544161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110891362.

The product of its digits is 230400, while the sum is 40.

The square root of 4546544161 is about 67428.0665672686. The cubic root of 4546544161 is about 1656.6361649538.

The spelling of 4546544161 in words is "four billion, five hundred forty-six million, five hundred forty-four thousand, one hundred sixty-one".