65676766 has 16 divisors (see below), whose sum is σ = 101145600. Its totient is φ = 31969080.

The previous prime is 65676761. The next prime is 65676769. The reversal of 65676766 is 66767656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65676761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16951 + ... + 20461.

It is an arithmetic number, because the mean of its divisors is an integer number (6321600).

Almost surely, 2^65676766 is an apocalyptic number.

65676766 is a deficient number, since it is larger than the sum of its proper divisors (35468834).

65676766 is a wasteful number, since it uses less digits than its factorization.

65676766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759.

The product of its digits is 1905120, while the sum is 49.

The square root of 65676766 is about 8104.1203100645. The cubic root of 65676766 is about 403.4631917234.

The spelling of 65676766 in words is "sixty-five million, six hundred seventy-six thousand, seven hundred sixty-six".