65363866 has 4 divisors (see below), whose sum is σ = 98045802. Its totient is φ = 32681932.

The previous prime is 65363849. The next prime is 65363869. The reversal of 65363866 is 66836356.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48594841 + 16769025 = 6971^2 + 4095^2 .

It is not an unprimeable number, because it can be changed into a prime (65363869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16340965 + ... + 16340968.

Almost surely, 2^65363866 is an apocalyptic number.

65363866 is a deficient number, since it is larger than the sum of its proper divisors (32681936).

65363866 is a wasteful number, since it uses less digits than its factorization.

65363866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32681935.

The product of its digits is 466560, while the sum is 43.

The square root of 65363866 is about 8084.7922669664. The cubic root of 65363866 is about 402.8214394072.

The spelling of 65363866 in words is "sixty-five million, three hundred sixty-three thousand, eight hundred sixty-six".