2136660005 has 8 divisors (see below), whose sum is σ = 2575491072. Its totient is φ = 1701661968.

The previous prime is 2136659989. The next prime is 2136660017. The reversal of 2136660005 is 5000666312.

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

It is a cyclic number.

It is not a de Polignac number, because 2136660005 - 2⁴ = 2136659989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2136660005.

It is a congruent 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, 957029 + ... + 959258.

It is an arithmetic number, because the mean of its divisors is an integer number (321936384).

Almost surely, 2^2136660005 is an apocalyptic number.

It is an amenable number.

2136660005 is a deficient number, since it is larger than the sum of its proper divisors (438831067).

2136660005 is a wasteful number, since it uses less digits than its factorization.

2136660005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916515.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2136660005 is about 46224.0197840906. The cubic root of 2136660005 is about 1287.9879707494.

The spelling of 2136660005 in words is "two billion, one hundred thirty-six million, six hundred sixty thousand, five".