65505156068 has 24 divisors (see below), whose sum is σ = 125138188224. Its totient is φ = 29755335200.

The previous prime is 65505156061. The next prime is 65505156071. The reversal of 65505156068 is 86065150556.

65505156068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65505156061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426155 + ... + 559122.

It is an arithmetic number, because the mean of its divisors is an integer number (5214091176).

Almost surely, 2^65505156068 is an apocalyptic number.

It is an amenable number.

65505156068 is a deficient number, since it is larger than the sum of its proper divisors (59633032156).

65505156068 is a wasteful number, since it uses less digits than its factorization.

65505156068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986803 (or 986801 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 47.

The spelling of 65505156068 in words is "sixty-five billion, five hundred five million, one hundred fifty-six thousand, sixty-eight".