5206661601 has 8 divisors (see below), whose sum is σ = 6945981504. Its totient is φ = 3469224720.

The previous prime is 5206661591. The next prime is 5206661633. The reversal of 5206661601 is 1061666025.

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

It is not a de Polignac number, because 5206661601 - 2²³ = 5198272993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5206661641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464290 + ... + 475371.

It is an arithmetic number, because the mean of its divisors is an integer number (868247688).

Almost surely, 2^5206661601 is an apocalyptic number.

It is an amenable number.

5206661601 is a deficient number, since it is larger than the sum of its proper divisors (1739319903).

5206661601 is a wasteful number, since it uses less digits than its factorization.

5206661601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941511.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 5206661601 is about 72157.2006178178. The cubic root of 5206661601 is about 1733.2177077169.

The spelling of 5206661601 in words is "five billion, two hundred six million, six hundred sixty-one thousand, six hundred one".