65655016115660 has 24 divisors (see below), whose sum is σ = 137878117976256. Its totient is φ = 26261514230400.

The previous prime is 65655016115621. The next prime is 65655016115699. The reversal of 65655016115660 is 6651161055656.

It is an interprime number because it is at equal distance from previous prime (65655016115621) and next prime (65655016115699).

It is a super-2 number, since 2×65655016115660² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29668772 + ... + 31804811.

It is an arithmetic number, because the mean of its divisors is an integer number (5744921582344).

Almost surely, 2^{65655016115660} is an apocalyptic number.

It is an amenable number.

65655016115660 is an abundant number, since it is smaller than the sum of its proper divisors (72223101860596).

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

65655016115660 is a wasteful number, since it uses less digits than its factorization.

65655016115660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61526993 (or 61526991 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 65655016115660 in words is "sixty-five trillion, six hundred fifty-five billion, sixteen million, one hundred fifteen thousand, six hundred sixty".