65773616 has 20 divisors (see below), whose sum is σ = 129527424. Its totient is φ = 32347200.

The previous prime is 65773607. The next prime is 65773639. The reversal of 65773616 is 61637756.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 32720 + ... + 34671.

Almost surely, 2^65773616 is an apocalyptic number.

It is an amenable number.

65773616 is a deficient number, since it is larger than the sum of its proper divisors (63753808).

65773616 is a wasteful number, since it uses less digits than its factorization.

65773616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67460 (or 67454 counting only the distinct ones).

The product of its digits is 158760, while the sum is 41.

The square root of 65773616 is about 8110.0934643196. The cubic root of 65773616 is about 403.6614161527.

The spelling of 65773616 in words is "sixty-five million, seven hundred seventy-three thousand, six hundred sixteen".