210108661166 has 8 divisors (see below), whose sum is σ = 315195289200. Its totient is φ = 105043564768.

The previous prime is 210108661151. The next prime is 210108661237. The reversal of 210108661166 is 661166801012.

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, 5358491 + ... + 5397558.

It is an arithmetic number, because the mean of its divisors is an integer number (39399411150).

Almost surely, 2^210108661166 is an apocalyptic number.

210108661166 is a deficient number, since it is larger than the sum of its proper divisors (105086628034).

210108661166 is a wasteful number, since it uses less digits than its factorization.

210108661166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10765818.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 210108661166 in words is "two hundred ten billion, one hundred eight million, six hundred sixty-one thousand, one hundred sixty-six".