5446043661 has 32 divisors (see below), whose sum is σ = 7850280960. Its totient is φ = 3347999424.

The previous prime is 5446043657. The next prime is 5446043671. The reversal of 5446043661 is 1663406445.

It is not a de Polignac number, because 5446043661 - 2² = 5446043657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5446043621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1645170 + ... + 1648476.

It is an arithmetic number, because the mean of its divisors is an integer number (245321280).

Almost surely, 2^5446043661 is an apocalyptic number.

It is an amenable number.

5446043661 is a deficient number, since it is larger than the sum of its proper divisors (2404237299).

5446043661 is a wasteful number, since it uses less digits than its factorization.

5446043661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185.

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 5446043661 is about 73797.3147275699. The cubic root of 5446043661 is about 1759.3829255673.

The spelling of 5446043661 in words is "five billion, four hundred forty-six million, forty-three thousand, six hundred sixty-one".