65515655160 has 48 divisors (see below), whose sum is σ = 212925880440. Its totient is φ = 17470841280.

The previous prime is 65515655143. The next prime is 65515655243. The reversal of 65515655160 is 6155651556.

65515655160 is a `hidden beast` number, since 65 + 5 + 15 + 65 + 516 + 0 = 666.

65515655160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 90993606 + ... + 90994325.

Almost surely, 2^65515655160 is an apocalyptic number.

65515655160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65515655160 is an abundant number, since it is smaller than the sum of its proper divisors (147410225280).

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

65515655160 is a wasteful number, since it uses less digits than its factorization.

65515655160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181987948 (or 181987941 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 65515655160 in words is "sixty-five billion, five hundred fifteen million, six hundred fifty-five thousand, one hundred sixty".