5050051661 has 8 divisors (see below), whose sum is σ = 5069304864. Its totient is φ = 5030826160.

The previous prime is 5050051627. The next prime is 5050051663. The reversal of 5050051661 is 1661500505.

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 5050051661 - 2³⁰ = 3976309837 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 (5050051663) 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, 403646 + ... + 415968.

It is an arithmetic number, because the mean of its divisors is an integer number (633663108).

Almost surely, 2^5050051661 is an apocalyptic number.

It is an amenable number.

5050051661 is a deficient number, since it is larger than the sum of its proper divisors (19253203).

5050051661 is a wasteful number, since it uses less digits than its factorization.

5050051661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13851.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 5050051661 is about 71063.7155023575. The cubic root of 5050051661 is about 1715.6628219354.

The spelling of 5050051661 in words is "five billion, fifty million, fifty-one thousand, six hundred sixty-one".