5216611761 has 64 divisors (see below), whose sum is σ = 8258112000. Its totient is φ = 3247276032.

The previous prime is 5216611703. The next prime is 5216611781. The reversal of 5216611761 is 1671166125.

It is a happy number.

5216611761 is a `hidden beast` number, since 521 + 6 + 61 + 1 + 76 + 1 = 666.

It is not a de Polignac number, because 5216611761 - 2⁹ = 5216611249 is a prime.

It is a super-2 number, since 2×5216611761² = 54426076530007042242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5216611781) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11618065 + ... + 11618513.

It is an arithmetic number, because the mean of its divisors is an integer number (129033000).

Almost surely, 2^5216611761 is an apocalyptic number.

It is an amenable number.

5216611761 is a deficient number, since it is larger than the sum of its proper divisors (3041500239).

5216611761 is a wasteful number, since it uses less digits than its factorization.

5216611761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 881 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 5216611761 is about 72226.1155054043. The cubic root of 5216611761 is about 1734.3210903097.

Adding to 5216611761 its reverse (1671166125), we get a palindrome (6887777886).

The spelling of 5216611761 in words is "five billion, two hundred sixteen million, six hundred eleven thousand, seven hundred sixty-one".