65701655611216 has 40 divisors (see below), whose sum is σ = 134818288380864. Its totient is φ = 30910793356800.

The previous prime is 65701655611157. The next prime is 65701655611223. The reversal of 65701655611216 is 61211655610756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28711780 + ... + 30915523.

Almost surely, 2^{65701655611216} is an apocalyptic number.

It is an amenable number.

65701655611216 is an abundant number, since it is smaller than the sum of its proper divisors (69116632769648).

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

65701655611216 is a wasteful number, since it uses less digits than its factorization.

65701655611216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59631379 (or 59631373 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 52.

The spelling of 65701655611216 in words is "sixty-five trillion, seven hundred one billion, six hundred fifty-five million, six hundred eleven thousand, two hundred sixteen".