65016650 has 12 divisors (see below), whose sum is σ = 120931062. Its totient is φ = 26006640.

The previous prime is 65016583. The next prime is 65016661. The reversal of 65016650 is 5661056.

It can be written as a sum of positive squares in 3 ways, for example, as 58721569 + 6295081 = 7663^2 + 2509^2 .

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 650117 + ... + 650216.

Almost surely, 2^65016650 is an apocalyptic number.

65016650 is a deficient number, since it is larger than the sum of its proper divisors (55914412).

65016650 is a wasteful number, since it uses less digits than its factorization.

65016650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300345 (or 1300340 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 65016650 is about 8063.2902713471. The cubic root of 65016650 is about 402.1069037402.

The spelling of 65016650 in words is "sixty-five million, sixteen thousand, six hundred fifty".