205116790 has 8 divisors (see below), whose sum is σ = 369210240. Its totient is φ = 82046712.

The previous prime is 205116773. The next prime is 205116817. The reversal of 205116790 is 97611502.

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, 10255830 + ... + 10255849.

It is an arithmetic number, because the mean of its divisors is an integer number (46151280).

Almost surely, 2^205116790 is an apocalyptic number.

205116790 is a deficient number, since it is larger than the sum of its proper divisors (164093450).

205116790 is a wasteful number, since it uses less digits than its factorization.

205116790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20511686.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 205116790 is about 14321.8989662684. The cubic root of 205116790 is about 589.7488062164.

The spelling of 205116790 in words is "two hundred five million, one hundred sixteen thousand, seven hundred ninety".