5186666761 has 16 divisors (see below), whose sum is σ = 5477165568. Its totient is φ = 4904640000.

The previous prime is 5186666743. The next prime is 5186666783. The reversal of 5186666761 is 1676666815.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5186666761 - 2⁷ = 5186666633 is a prime.

It is a super-2 number, since 2×5186666761² = 53803024179324462242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5186666699 and 5186666708.

It is not an unprimeable number, because it can be changed into a prime (5186666701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406105 + ... + 418681.

It is an arithmetic number, because the mean of its divisors is an integer number (342322848).

Almost surely, 2^5186666761 is an apocalyptic number.

It is an amenable number.

5186666761 is a deficient number, since it is larger than the sum of its proper divisors (290498807).

5186666761 is a wasteful number, since it uses less digits than its factorization.

5186666761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12912.

The product of its digits is 2177280, while the sum is 52.

The square root of 5186666761 is about 72018.5167925583. The cubic root of 5186666761 is about 1730.9962031639.

The spelling of 5186666761 in words is "five billion, one hundred eighty-six million, six hundred sixty-six thousand, seven hundred sixty-one".