5720661061 has 8 divisors (see below), whose sum is σ = 5854464000. Its totient is φ = 5588336880.

The previous prime is 5720661031. The next prime is 5720661077. The reversal of 5720661061 is 1601660275.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5720661061 - 2¹⁷ = 5720529989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5720661031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361861 + ... + 377338.

It is an arithmetic number, because the mean of its divisors is an integer number (731808000).

Almost surely, 2^5720661061 is an apocalyptic number.

It is an amenable number.

5720661061 is a deficient number, since it is larger than the sum of its proper divisors (133802939).

5720661061 is a wasteful number, since it uses less digits than its factorization.

5720661061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739379.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 5720661061 is about 75635.0518013969. The cubic root of 5720661061 is about 1788.4716999944.

The spelling of 5720661061 in words is "five billion, seven hundred twenty million, six hundred sixty-one thousand, sixty-one".