65616712006 has 16 divisors (see below), whose sum is σ = 102787534944. Its totient is φ = 31356509184.

The previous prime is 65616712001. The next prime is 65616712009. The reversal of 65616712006 is 60021761656.

65616712006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 65616712006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65616712001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519675 + ... + 633478.

It is an arithmetic number, because the mean of its divisors is an integer number (6424220934).

Almost surely, 2^65616712006 is an apocalyptic number.

65616712006 is a deficient number, since it is larger than the sum of its proper divisors (37170822938).

65616712006 is a wasteful number, since it uses less digits than its factorization.

65616712006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154415.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 65616712006 in words is "sixty-five billion, six hundred sixteen million, seven hundred twelve thousand, six".