61167793 has 2 divisors, whose sum is σ = 61167794. Its totient is φ = 61167792.

The previous prime is 61167779. The next prime is 61167797. The reversal of 61167793 is 39776116.

It is a happy number.

61167793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58553104 + 2614689 = 7652^2 + 1617^2 .

It is a cyclic number.

It is not a de Polignac number, because 61167793 - 2⁵ = 61167761 is a prime.

It is not a weakly prime, because it can be changed into another prime (61167797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30583896 + 30583897.

It is an arithmetic number, because the mean of its divisors is an integer number (30583897).

Almost surely, 2^61167793 is an apocalyptic number.

It is an amenable number.

61167793 is a deficient number, since it is larger than the sum of its proper divisors (1).

61167793 is an equidigital number, since it uses as much as digits as its factorization.

61167793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 40.

The square root of 61167793 is about 7820.9841452339. The cubic root of 61167793 is about 394.0103259424.

The spelling of 61167793 in words is "sixty-one million, one hundred sixty-seven thousand, seven hundred ninety-three".