5188007661 has 8 divisors (see below), whose sum is σ = 7047859680. Its totient is φ = 3393413712.

The previous prime is 5188007659. The next prime is 5188007689. The reversal of 5188007661 is 1667008815.

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

It is not a de Polignac number, because 5188007661 - 2¹ = 5188007659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5188007621) 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, 16314331 + ... + 16314648.

It is an arithmetic number, because the mean of its divisors is an integer number (880982460).

Almost surely, 2^5188007661 is an apocalyptic number.

It is an amenable number.

5188007661 is a deficient number, since it is larger than the sum of its proper divisors (1859852019).

5188007661 is a wasteful number, since it uses less digits than its factorization.

5188007661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32629035.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 5188007661 is about 72027.8256023323. The cubic root of 5188007661 is about 1731.1453607971.

The spelling of 5188007661 in words is "five billion, one hundred eighty-eight million, seven thousand, six hundred sixty-one".