4116561644 has 48 divisors (see below), whose sum is σ = 7833472416. Its totient is φ = 1881600000.

The previous prime is 4116561623. The next prime is 4116561671. The reversal of 4116561644 is 4461656114.

It is a super-3 number, since 3×4116561644³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4116561598 and 4116561607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2570444 + ... + 2572044.

It is an arithmetic number, because the mean of its divisors is an integer number (163197342).

Almost surely, 2^4116561644 is an apocalyptic number.

It is an amenable number.

4116561644 is a deficient number, since it is larger than the sum of its proper divisors (3716910772).

4116561644 is a wasteful number, since it uses less digits than its factorization.

4116561644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066 (or 2064 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 4116561644 is about 64160.4367503838. The cubic root of 4116561644 is about 1602.6728298973.

The spelling of 4116561644 in words is "four billion, one hundred sixteen million, five hundred sixty-one thousand, six hundred forty-four".