5661941786 has 8 divisors (see below), whose sum is σ = 8862169824. Its totient is φ = 2707885180.

The previous prime is 5661941777. The next prime is 5661941797. The reversal of 5661941786 is 6871491665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61542800 + ... + 61542891.

It is an arithmetic number, because the mean of its divisors is an integer number (1107771228).

Almost surely, 2^5661941786 is an apocalyptic number.

5661941786 is a deficient number, since it is larger than the sum of its proper divisors (3200228038).

5661941786 is a wasteful number, since it uses less digits than its factorization.

5661941786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123085716.

The product of its digits is 2177280, while the sum is 53.

The square root of 5661941786 is about 75245.8755414541. The cubic root of 5661941786 is about 1782.3314340891.

The spelling of 5661941786 in words is "five billion, six hundred sixty-one million, nine hundred forty-one thousand, seven hundred eighty-six".