11651210166 has 8 divisors (see below), whose sum is σ = 23302420344. Its totient is φ = 3883736720.

The previous prime is 11651210161. The next prime is 11651210227. The reversal of 11651210166 is 66101215611.

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

11651210166 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11651210161) 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, 970934175 + ... + 970934186.

It is an arithmetic number, because the mean of its divisors is an integer number (2912802543).

Almost surely, 2^11651210166 is an apocalyptic number.

11651210166 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.

11651210166 is a wasteful number, since it uses less digits than its factorization.

11651210166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941868366.

The product of its (nonzero) digits is 2160, while the sum is 30.

Adding to 11651210166 its reverse (66101215611), we get a palindrome (77752425777).

Subtracting 11651210166 from its reverse (66101215611), we obtain a palindrome (54450005445).

The spelling of 11651210166 in words is "eleven billion, six hundred fifty-one million, two hundred ten thousand, one hundred sixty-six".