165610106056615 has 32 divisors (see below), whose sum is σ = 217336263693120. Its totient is φ = 120145078656000.

The previous prime is 165610106056597. The next prime is 165610106056639. The reversal of 165610106056615 is 516650601016561.

It is not a de Polignac number, because 165610106056615 - 2⁵ = 165610106056583 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 31 ways as a sum of consecutive naturals, for example, 748995457 + ... + 749216533.

It is an arithmetic number, because the mean of its divisors is an integer number (6791758240410).

Almost surely, 2^{165610106056615} is an apocalyptic number.

165610106056615 is a deficient number, since it is larger than the sum of its proper divisors (51726157636505).

165610106056615 is a wasteful number, since it uses less digits than its factorization.

165610106056615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254803.

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 165610106056615 in words is "one hundred sixty-five trillion, six hundred ten billion, one hundred six million, fifty-six thousand, six hundred fifteen".