65115660155606 has 8 divisors (see below), whose sum is σ = 97906601189880. Its totient is φ = 32480126425648.

The previous prime is 65115660155587. The next prime is 65115660155621. The reversal of 65115660155606 is 60655106651156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38851825031 + ... + 38851826706.

It is an arithmetic number, because the mean of its divisors is an integer number (12238325148735).

Almost surely, 2^{65115660155606} is an apocalyptic number.

65115660155606 is a deficient number, since it is larger than the sum of its proper divisors (32790941034274).

65115660155606 is a wasteful number, since it uses less digits than its factorization.

65115660155606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77703652158.

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 65115660155606 in words is "sixty-five trillion, one hundred fifteen billion, six hundred sixty million, one hundred fifty-five thousand, six hundred six".