65663276 has 12 divisors (see below), whose sum is σ = 131326608. Its totient is φ = 28141392.

The previous prime is 65663261. The next prime is 65663291. The reversal of 65663276 is 67236656.

It is an interprime number because it is at equal distance from previous prime (65663261) and next prime (65663291).

65663276 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172531 + ... + 1172586.

It is an arithmetic number, because the mean of its divisors is an integer number (10943884).

Almost surely, 2^65663276 is an apocalyptic number.

It is an amenable number.

65663276 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65663276 is a wasteful number, since it uses less digits than its factorization.

65663276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345128 (or 2345126 counting only the distinct ones).

The product of its digits is 272160, while the sum is 41.

The square root of 65663276 is about 8103.2879746434. The cubic root of 65663276 is about 403.4355660679.

The spelling of 65663276 in words is "sixty-five million, six hundred sixty-three thousand, two hundred seventy-six".