5661220514 has 8 divisors (see below), whose sum is σ = 8540917020. Its totient is φ = 2814248176.

The previous prime is 5661220511. The next prime is 5661220531. The reversal of 5661220514 is 4150221665.

It can be written as a sum of positive squares in 2 ways, for example, as 5105817025 + 555403489 = 71455^2 + 23567^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5661220511) 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, 8180609 + ... + 8181300.

Almost surely, 2^5661220514 is an apocalyptic number.

5661220514 is a deficient number, since it is larger than the sum of its proper divisors (2879696506).

5661220514 is a wasteful number, since it uses less digits than its factorization.

5661220514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16362084.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 5661220514 is about 75241.0826211319. The cubic root of 5661220514 is about 1782.2557474314.

The spelling of 5661220514 in words is "five billion, six hundred sixty-one million, two hundred twenty thousand, five hundred fourteen".