5661086976 has 144 divisors (see below), whose sum is σ = 16875264000. Its totient is φ = 1871880192.

The previous prime is 5661086971. The next prime is 5661087017. The reversal of 5661086976 is 6796801665.

5661086976 is a `hidden beast` number, since 566 + 1 + 0 + 8 + 6 + 9 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661086971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874600 + ... + 881048.

Almost surely, 2^5661086976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5661086976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8437632000).

5661086976 is an abundant number, since it is smaller than the sum of its proper divisors (11214177024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5661086976 is a wasteful number, since it uses less digits than its factorization.

5661086976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601 (or 6581 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 5661086976 is about 75240.1952150578. The cubic root of 5661086976 is about 1782.2417339197.

The spelling of 5661086976 in words is "five billion, six hundred sixty-one million, eighty-six thousand, nine hundred seventy-six".