120006606665 has 8 divisors (see below), whose sum is σ = 157099557888. Its totient is φ = 87277532080.

The previous prime is 120006606659. The next prime is 120006606683. The reversal of 120006606665 is 566606600021.

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

It is not a de Polignac number, because 120006606665 - 2⁴ = 120006606649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090969097 + ... + 1090969206.

It is an arithmetic number, because the mean of its divisors is an integer number (19637444736).

Almost surely, 2^120006606665 is an apocalyptic number.

It is an amenable number.

120006606665 is a deficient number, since it is larger than the sum of its proper divisors (37092951223).

120006606665 is a wasteful number, since it uses less digits than its factorization.

120006606665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181938319.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 120006606665 in words is "one hundred twenty billion, six million, six hundred six thousand, six hundred sixty-five".