65434187616552 has 48 divisors (see below), whose sum is σ = 177219073723380. Its totient is φ = 21811213440000.

The previous prime is 65434187616547. The next prime is 65434187616593. The reversal of 65434187616552 is 25561678143456.

65434187616552 is a `hidden beast` number, since 6 + 5 + 4 + 3 + 4 + 1 + 8 + 7 + 616 + 5 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57753828964836 + 7680358651716 = 7599594^2 + 2771346^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65434187616552.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5008152 + ... + 12487992.

Almost surely, 2^{65434187616552} is an apocalyptic number.

It is an amenable number.

65434187616552 is an abundant number, since it is smaller than the sum of its proper divisors (111784886106828).

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

65434187616552 is a wasteful number, since it uses less digits than its factorization.

65434187616552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601354 (or 7601347 counting only the distinct ones).

The product of its digits is 145152000, while the sum is 63.

The spelling of 65434187616552 in words is "sixty-five trillion, four hundred thirty-four billion, one hundred eighty-seven million, six hundred sixteen thousand, five hundred fifty-two".