65678241986 has 16 divisors (see below), whose sum is σ = 112601336064. Its totient is φ = 28145301984.

The previous prime is 65678241973. The next prime is 65678242027. The reversal of 65678241986 is 68914287656.

65678241986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42875 + ... + 364958.

It is an arithmetic number, because the mean of its divisors is an integer number (7037583504).

Almost surely, 2^65678241986 is an apocalyptic number.

65678241986 is a deficient number, since it is larger than the sum of its proper divisors (46923094078).

65678241986 is a wasteful number, since it uses less digits than its factorization.

65678241986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419345.

The product of its digits is 34836480, while the sum is 62.

The spelling of 65678241986 in words is "sixty-five billion, six hundred seventy-eight million, two hundred forty-one thousand, nine hundred eighty-six".