65606106500671 has 16 divisors (see below), whose sum is σ = 72641069544960. Its totient is φ = 58749668081280.

The previous prime is 65606106500651. The next prime is 65606106500719. The reversal of 65606106500671 is 17600560160656.

It is not a de Polignac number, because 65606106500671 - 2¹⁵ = 65606106467903 is a prime.

It is a super-2 number, since 2×65606106500671² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65606106500621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19567050 + ... + 22673368.

It is an arithmetic number, because the mean of its divisors is an integer number (4540066846560).

Almost surely, 2^{65606106500671} is an apocalyptic number.

65606106500671 is a deficient number, since it is larger than the sum of its proper divisors (7034963044289).

65606106500671 is a wasteful number, since it uses less digits than its factorization.

65606106500671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135054.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 65606106500671 in words is "sixty-five trillion, six hundred six billion, one hundred six million, five hundred thousand, six hundred seventy-one".