7266182681 has 2 divisors, whose sum is σ = 7266182682. Its totient is φ = 7266182680.

The previous prime is 7266182663. The next prime is 7266182753. The reversal of 7266182681 is 1862816627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5548909081 + 1717273600 = 74491^2 + 41440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7266182681 is a prime.

It is a super-2 number, since 2×7266182681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7266182611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3633091340 + 3633091341.

It is an arithmetic number, because the mean of its divisors is an integer number (3633091341).

Almost surely, 2^7266182681 is an apocalyptic number.

It is an amenable number.

7266182681 is a deficient number, since it is larger than the sum of its proper divisors (1).

7266182681 is an equidigital number, since it uses as much as digits as its factorization.

7266182681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 47.

The square root of 7266182681 is about 85241.9068357812. The cubic root of 7266182681 is about 1936.8772769251.

The spelling of 7266182681 in words is "seven billion, two hundred sixty-six million, one hundred eighty-two thousand, six hundred eighty-one".