2136315666 has 8 divisors (see below), whose sum is σ = 4272631344. Its totient is φ = 712105220.

The previous prime is 2136315631. The next prime is 2136315667. The reversal of 2136315666 is 6665136312.

It is a happy number.

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

2136315666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2136315667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178026300 + ... + 178026311.

It is an arithmetic number, because the mean of its divisors is an integer number (534078918).

Almost surely, 2^2136315666 is an apocalyptic number.

2136315666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2136315666 is a wasteful number, since it uses less digits than its factorization.

2136315666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356052616.

The product of its digits is 116640, while the sum is 39.

The square root of 2136315666 is about 46220.2949579511. The cubic root of 2136315666 is about 1287.9187773486.

The spelling of 2136315666 in words is "two billion, one hundred thirty-six million, three hundred fifteen thousand, six hundred sixty-six".