65680706546 has 24 divisors (see below), whose sum is σ = 121922938944. Its totient is φ = 25983575280.

The previous prime is 65680706537. The next prime is 65680706593. The reversal of 65680706546 is 64560708656.

65680706546 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 11 ways as a sum of consecutive naturals, for example, 13877750 + ... + 13882481.

It is an arithmetic number, because the mean of its divisors is an integer number (5080122456).

Almost surely, 2^65680706546 is an apocalyptic number.

65680706546 is a deficient number, since it is larger than the sum of its proper divisors (56242232398).

65680706546 is a wasteful number, since it uses less digits than its factorization.

65680706546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27760266 (or 27760253 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 65680706546 in words is "sixty-five billion, six hundred eighty million, seven hundred six thousand, five hundred forty-six".