7018163641 has 2 divisors, whose sum is σ = 7018163642. Its totient is φ = 7018163640.

The previous prime is 7018163611. The next prime is 7018163671. The reversal of 7018163641 is 1463618107.

It is a balanced prime because it is at equal distance from previous prime (7018163611) and next prime (7018163671).

It can be written as a sum of positive squares in only one way, i.e., 6368678416 + 649485225 = 79804^2 + 25485^2 .

It is a cyclic number.

It is not a de Polignac number, because 7018163641 - 2⁵ = 7018163609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7018163641.

It is not a weakly prime, because it can be changed into another prime (7018163611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3509081820 + 3509081821.

It is an arithmetic number, because the mean of its divisors is an integer number (3509081821).

Almost surely, 2^7018163641 is an apocalyptic number.

It is an amenable number.

7018163641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7018163641 is an equidigital number, since it uses as much as digits as its factorization.

7018163641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 7018163641 is about 83774.4808458996. The cubic root of 7018163641 is about 1914.5843154222.

The spelling of 7018163641 in words is "seven billion, eighteen million, one hundred sixty-three thousand, six hundred forty-one".