5016100560661 has 4 divisors (see below), whose sum is σ = 5049319769824. Its totient is φ = 4982881351500.

The previous prime is 5016100560643. The next prime is 5016100560701. The reversal of 5016100560661 is 1660650016105.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5016100560661 - 2⁷ = 5016100560533 is a prime.

It is a super-2 number, since 2×5016100560661² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5016100560661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5016100560631) 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, 16609604355 + ... + 16609604656.

It is an arithmetic number, because the mean of its divisors is an integer number (1262329942456).

Almost surely, 2^{5016100560661} is an apocalyptic number.

It is an amenable number.

5016100560661 is a deficient number, since it is larger than the sum of its proper divisors (33219209163).

5016100560661 is a wasteful number, since it uses less digits than its factorization.

5016100560661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33219209162.

The product of its (nonzero) digits is 32400, while the sum is 37.

Adding to 5016100560661 its reverse (1660650016105), we get a palindrome (6676750576766).

The spelling of 5016100560661 in words is "five trillion, sixteen billion, one hundred million, five hundred sixty thousand, six hundred sixty-one".