7750161137 has 2 divisors, whose sum is σ = 7750161138. Its totient is φ = 7750161136.

The previous prime is 7750161131. The next prime is 7750161151. The reversal of 7750161137 is 7311610577.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4750517776 + 2999643361 = 68924^2 + 54769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7750161137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7750161137.

It is not a weakly prime, because it can be changed into another prime (7750161131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3875080568 + 3875080569.

It is an arithmetic number, because the mean of its divisors is an integer number (3875080569).

Almost surely, 2^7750161137 is an apocalyptic number.

It is an amenable number.

7750161137 is a deficient number, since it is larger than the sum of its proper divisors (1).

7750161137 is an equidigital number, since it uses as much as digits as its factorization.

7750161137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 7750161137 is about 88034.9995001988. Note that the first 3 decimals coincide. The cubic root of 7750161137 is about 1978.9595200738.

The spelling of 7750161137 in words is "seven billion, seven hundred fifty million, one hundred sixty-one thousand, one hundred thirty-seven".