65610651711616 has 64 divisors (see below), whose sum is σ = 143055798953760. Its totient is φ = 29725879910400.

The previous prime is 65610651711607. The next prime is 65610651711617. The reversal of 65610651711616 is 61611715601656.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (65610651711617) 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, 75461025 + ... + 76325536.

Almost surely, 2^{65610651711616} is an apocalyptic number.

It is an amenable number.

65610651711616 is an abundant number, since it is smaller than the sum of its proper divisors (77445147242144).

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

65610651711616 is a wasteful number, since it uses less digits than its factorization.

65610651711616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151786893 (or 151786881 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 65610651711616 in words is "sixty-five trillion, six hundred ten billion, six hundred fifty-one million, seven hundred eleven thousand, six hundred sixteen".