1665016120006 has 8 divisors (see below), whose sum is σ = 2498147482320. Its totient is φ = 832300292568.

The previous prime is 1665016119961. The next prime is 1665016120007. The reversal of 1665016120006 is 6000216105661.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1665016120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103873701 + ... + 103889728.

It is an arithmetic number, because the mean of its divisors is an integer number (312268435290).

Almost surely, 2^{1665016120006} is an apocalyptic number.

1665016120006 is a deficient number, since it is larger than the sum of its proper divisors (833131362314).

1665016120006 is a wasteful number, since it uses less digits than its factorization.

1665016120006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207767438.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 1665016120006 in words is "one trillion, six hundred sixty-five billion, sixteen million, one hundred twenty thousand, six".