165610015011 has 12 divisors (see below), whose sum is σ = 273387961392. Its totient is φ = 94634294256.

The previous prime is 165610014967. The next prime is 165610015031. The reversal of 165610015011 is 110510016561.

165610015011 is a `hidden beast` number, since 1 + 6 + 56 + 100 + 1 + 501 + 1 = 666.

It is not a de Polignac number, because 165610015011 - 2¹⁴ = 165609998627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165610015031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1314365136 + ... + 1314365261.

It is an arithmetic number, because the mean of its divisors is an integer number (22782330116).

Almost surely, 2^165610015011 is an apocalyptic number.

165610015011 is a deficient number, since it is larger than the sum of its proper divisors (107777946381).

165610015011 is a wasteful number, since it uses less digits than its factorization.

165610015011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628730410 (or 2628730407 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The spelling of 165610015011 in words is "one hundred sixty-five billion, six hundred ten million, fifteen thousand, eleven".