5661406614 has 8 divisors (see below), whose sum is σ = 11322813240. Its totient is φ = 1887135536.

The previous prime is 5661406613. The next prime is 5661406633. The reversal of 5661406614 is 4166041665.

It is a happy number.

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

5661406614 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661406613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471783879 + ... + 471783890.

It is an arithmetic number, because the mean of its divisors is an integer number (1415351655).

Almost surely, 2^5661406614 is an apocalyptic number.

5661406614 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5661406614 is a wasteful number, since it uses less digits than its factorization.

5661406614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943567774.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 5661406614 is about 75242.3193023713. The cubic root of 5661406614 is about 1782.2752764452.

The spelling of 5661406614 in words is "five billion, six hundred sixty-one million, four hundred six thousand, six hundred fourteen".