2118697606 has 8 divisors (see below), whose sum is σ = 3186707040. Its totient is φ = 1056461928.

The previous prime is 2118697583. The next prime is 2118697621. The reversal of 2118697606 is 6067968112.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442521 + ... + 1443988.

It is an arithmetic number, because the mean of its divisors is an integer number (398338380).

Almost surely, 2^2118697606 is an apocalyptic number.

2118697606 is a deficient number, since it is larger than the sum of its proper divisors (1068009434).

2118697606 is a wasteful number, since it uses less digits than its factorization.

2118697606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886878.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 2118697606 is about 46029.3124649934. The cubic root of 2118697606 is about 1284.3685383264.

The spelling of 2118697606 in words is "two billion, one hundred eighteen million, six hundred ninety-seven thousand, six hundred six".