64996586 has 4 divisors (see below), whose sum is σ = 97494882. Its totient is φ = 32498292.

The previous prime is 64996579. The next prime is 64996609. The reversal of 64996586 is 68569946.

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., 52287361 + 12709225 = 7231^2 + 3565^2 .

It is an unprimeable number.

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, 16249145 + ... + 16249148.

Almost surely, 2^64996586 is an apocalyptic number.

64996586 is a deficient number, since it is larger than the sum of its proper divisors (32498296).

64996586 is a wasteful number, since it uses less digits than its factorization.

64996586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32498295.

The product of its digits is 2799360, while the sum is 53.

The square root of 64996586 is about 8062.0460182264. The cubic root of 64996586 is about 402.0655363727.

The spelling of 64996586 in words is "sixty-four million, nine hundred ninety-six thousand, five hundred eighty-six".