169866050012 has 6 divisors (see below), whose sum is σ = 297265587528. Its totient is φ = 84933025004.

The previous prime is 169866049981. The next prime is 169866050017. The reversal of 169866050012 is 210050668961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169866050017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21233256248 + ... + 21233256255.

It is an arithmetic number, because the mean of its divisors is an integer number (49544264588).

Almost surely, 2^169866050012 is an apocalyptic number.

It is an amenable number.

169866050012 is a deficient number, since it is larger than the sum of its proper divisors (127399537516).

169866050012 is a wasteful number, since it uses less digits than its factorization.

169866050012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42466512507 (or 42466512505 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 169866050012 in words is "one hundred sixty-nine billion, eight hundred sixty-six million, fifty thousand, twelve".