68185645335 has 12 divisors (see below), whose sum is σ = 118188451992. Its totient is φ = 36365677488.

The previous prime is 68185645291. The next prime is 68185645373. The reversal of 68185645335 is 53354658186.

It is a happy number.

68185645335 is a `hidden beast` number, since 6 + 8 + 185 + 6 + 453 + 3 + 5 = 666.

68185645335 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 68185645335 - 2⁸ = 68185645079 is a prime.

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, 757618237 + ... + 757618326.

It is an arithmetic number, because the mean of its divisors is an integer number (9849037666).

Almost surely, 2^68185645335 is an apocalyptic number.

68185645335 is a deficient number, since it is larger than the sum of its proper divisors (50002806657).

68185645335 is a wasteful number, since it uses less digits than its factorization.

68185645335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515236574 (or 1515236571 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The spelling of 68185645335 in words is "sixty-eight billion, one hundred eighty-five million, six hundred forty-five thousand, three hundred thirty-five".