76605161 has 2 divisors, whose sum is σ = 76605162. Its totient is φ = 76605160.

The previous prime is 76605149. The next prime is 76605229. The reversal of 76605161 is 16150667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 15452761 = 7820^2 + 3931^2 .

It is a cyclic number.

It is not a de Polignac number, because 76605161 - 2¹⁴ = 76588777 is a prime.

It is a Chen prime.

It is equal to p_4482815 and since 76605161 and 4482815 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (76605101) 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, 38302580 + 38302581.

It is an arithmetic number, because the mean of its divisors is an integer number (38302581).

Almost surely, 2^76605161 is an apocalyptic number.

It is an amenable number.

76605161 is a deficient number, since it is larger than the sum of its proper divisors (1).

76605161 is an equidigital number, since it uses as much as digits as its factorization.

76605161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 76605161 is about 8752.4374319386. The cubic root of 76605161 is about 424.7036660917.

It can be divided in two parts, 7660 and 5161, that added together give a palindrome (12821).

The spelling of 76605161 in words is "seventy-six million, six hundred five thousand, one hundred sixty-one".