65015666606 has 16 divisors (see below), whose sum is σ = 108984134448. Its totient is φ = 28831780800.

The previous prime is 65015666603. The next prime is 65015666633. The reversal of 65015666606 is 60666651056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65015666603) 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, 36038825 + ... + 36040628.

It is an arithmetic number, because the mean of its divisors is an integer number (6811508403).

Almost surely, 2^65015666606 is an apocalyptic number.

65015666606 is a deficient number, since it is larger than the sum of its proper divisors (43968467842).

65015666606 is a wasteful number, since it uses less digits than its factorization.

65015666606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72079507.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 65015666606 in words is "sixty-five billion, fifteen million, six hundred sixty-six thousand, six hundred six".