65186052385 has 16 divisors (see below), whose sum is σ = 80161600896. Its totient is φ = 50871731328.

The previous prime is 65186052367. The next prime is 65186052427. The reversal of 65186052385 is 58325068156.

It is a cyclic number.

It is not a de Polignac number, because 65186052385 - 2¹⁵ = 65186019617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910084 + ... + 979093.

It is an arithmetic number, because the mean of its divisors is an integer number (5010100056).

Almost surely, 2^65186052385 is an apocalyptic number.

It is an amenable number.

65186052385 is a deficient number, since it is larger than the sum of its proper divisors (14975548511).

65186052385 is a wasteful number, since it uses less digits than its factorization.

65186052385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889352.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 65186052385 in words is "sixty-five billion, one hundred eighty-six million, fifty-two thousand, three hundred eighty-five".