7150162081 has 2 divisors, whose sum is σ = 7150162082. Its totient is φ = 7150162080.

The previous prime is 7150162057. The next prime is 7150162087. The reversal of 7150162081 is 1802610517.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6919577856 + 230584225 = 83184^2 + 15185^2 .

It is a cyclic number.

It is not a de Polignac number, because 7150162081 - 2⁵ = 7150162049 is a prime.

It is a super-2 number, since 2×7150162081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7150162087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3575081040 + 3575081041.

It is an arithmetic number, because the mean of its divisors is an integer number (3575081041).

Almost surely, 2^7150162081 is an apocalyptic number.

It is an amenable number.

7150162081 is a deficient number, since it is larger than the sum of its proper divisors (1).

7150162081 is an equidigital number, since it uses as much as digits as its factorization.

7150162081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 7150162081 is about 84558.6310260520. The cubic root of 7150162081 is about 1926.5130808947.

Adding to 7150162081 its reverse (1802610517), we get a palindrome (8952772598).

The spelling of 7150162081 in words is "seven billion, one hundred fifty million, one hundred sixty-two thousand, eighty-one".