65816272378 has 16 divisors (see below), whose sum is σ = 104553141120. Its totient is φ = 30966018496.

The previous prime is 65816272369. The next prime is 65816272381. The reversal of 65816272378 is 87327261856.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27748 + ... + 363871.

It is an arithmetic number, because the mean of its divisors is an integer number (6534571320).

Almost surely, 2^65816272378 is an apocalyptic number.

65816272378 is a deficient number, since it is larger than the sum of its proper divisors (38736868742).

65816272378 is a wasteful number, since it uses less digits than its factorization.

65816272378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396581.

The product of its digits is 6773760, while the sum is 55.

The spelling of 65816272378 in words is "sixty-five billion, eight hundred sixteen million, two hundred seventy-two thousand, three hundred seventy-eight".