65571566113148 has 6 divisors (see below), whose sum is σ = 114750240698016. Its totient is φ = 32785783056572.

The previous prime is 65571566113121. The next prime is 65571566113159. The reversal of 65571566113148 is 84131166517556.

It is a super-2 number, since 2×65571566113148² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8196445764140 + ... + 8196445764147.

It is an arithmetic number, because the mean of its divisors is an integer number (19125040116336).

Almost surely, 2^{65571566113148} is an apocalyptic number.

It is an amenable number.

65571566113148 is a deficient number, since it is larger than the sum of its proper divisors (49178674584868).

65571566113148 is a wasteful number, since it uses less digits than its factorization.

65571566113148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16392891528291 (or 16392891528289 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 59.

The spelling of 65571566113148 in words is "sixty-five trillion, five hundred seventy-one billion, five hundred sixty-six million, one hundred thirteen thousand, one hundred forty-eight".