65716556 has 12 divisors (see below), whose sum is σ = 117678792. Its totient is φ = 32094048.

The previous prime is 65716549. The next prime is 65716561. The reversal of 65716556 is 65561756.

65716556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65716556² = 8637331465002272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190865 + ... + 191208.

It is an arithmetic number, because the mean of its divisors is an integer number (9806566).

Almost surely, 2^65716556 is an apocalyptic number.

It is an amenable number.

65716556 is a deficient number, since it is larger than the sum of its proper divisors (51962236).

65716556 is a wasteful number, since it uses less digits than its factorization.

65716556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382120 (or 382118 counting only the distinct ones).

The product of its digits is 189000, while the sum is 41.

The square root of 65716556 is about 8106.5748624188. The cubic root of 65716556 is about 403.5446541158.

The spelling of 65716556 in words is "sixty-five million, seven hundred sixteen thousand, five hundred fifty-six".