65160769 has 2 divisors, whose sum is σ = 65160770. Its totient is φ = 65160768.

The previous prime is 65160761. The next prime is 65160793. The reversal of 65160769 is 96706156.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40806544 + 24354225 = 6388^2 + 4935^2 .

It is a cyclic number.

It is not a de Polignac number, because 65160769 - 2³ = 65160761 is a prime.

It is a super-2 number, since 2×65160769² = 8491851633342722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65160761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32580384 + 32580385.

It is an arithmetic number, because the mean of its divisors is an integer number (32580385).

Almost surely, 2^65160769 is an apocalyptic number.

It is an amenable number.

65160769 is a deficient number, since it is larger than the sum of its proper divisors (1).

65160769 is an equidigital number, since it uses as much as digits as its factorization.

65160769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 65160769 is about 8072.2220608702. Note that the first 3 decimals coincide. The cubic root of 65160769 is about 402.4037942462.

The spelling of 65160769 in words is "sixty-five million, one hundred sixty thousand, seven hundred sixty-nine".