5616672561 has 24 divisors (see below), whose sum is σ = 8213400000. Its totient is φ = 3698381472.

The previous prime is 5616672547. The next prime is 5616672587. The reversal of 5616672561 is 1652766165.

5616672561 is a `hidden beast` number, since 5 + 6 + 16 + 6 + 72 + 561 = 666.

It is not a de Polignac number, because 5616672561 - 2⁶ = 5616672497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5616672461) 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 23 ways as a sum of consecutive naturals, for example, 228340 + ... + 251738.

It is an arithmetic number, because the mean of its divisors is an integer number (342225000).

Almost surely, 2^5616672561 is an apocalyptic number.

It is an amenable number.

5616672561 is a deficient number, since it is larger than the sum of its proper divisors (2596727439).

5616672561 is a wasteful number, since it uses less digits than its factorization.

5616672561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23733 (or 23730 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 5616672561 is about 74944.4631777425. The cubic root of 5616672561 is about 1777.5685947405.

The spelling of 5616672561 in words is "five billion, six hundred sixteen million, six hundred seventy-two thousand, five hundred sixty-one".