194101216 has 48 divisors (see below), whose sum is σ = 393513120. Its totient is φ = 94187520.

The previous prime is 194101213. The next prime is 194101241. The reversal of 194101216 is 612101491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194101213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441925 + ... + 442363.

It is an arithmetic number, because the mean of its divisors is an integer number (8198190).

Almost surely, 2^194101216 is an apocalyptic number.

194101216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194101216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196756560).

194101216 is an abundant number, since it is smaller than the sum of its proper divisors (199411904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194101216 is a wasteful number, since it uses less digits than its factorization.

194101216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 194101216 is about 13932.0212460361. The cubic root of 194101216 is about 578.9966958905.

The spelling of 194101216 in words is "one hundred ninety-four million, one hundred one thousand, two hundred sixteen".