916663206205 has 8 divisors (see below), whose sum is σ = 1108392763104. Its totient is φ = 727732621200.

The previous prime is 916663206187. The next prime is 916663206223. The reversal of 916663206205 is 502602366619.

916663206205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (916663206187) and next prime (916663206223).

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

It is not a de Polignac number, because 916663206205 - 2¹⁹ = 916662681917 is a prime.

It is a super-2 number, since 2×916663206205² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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, 699742251 + ... + 699743560.

It is an arithmetic number, because the mean of its divisors is an integer number (138549095388).

Almost surely, 2^916663206205 is an apocalyptic number.

It is an amenable number.

916663206205 is a deficient number, since it is larger than the sum of its proper divisors (191729556899).

916663206205 is a wasteful number, since it uses less digits than its factorization.

916663206205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399485947.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 916663206205 in words is "nine hundred sixteen billion, six hundred sixty-three million, two hundred six thousand, two hundred five".