190217216 has 132 divisors (see below), whose sum is σ = 470449728. Its totient is φ = 76382208.

The previous prime is 190217179. The next prime is 190217249. The reversal of 190217216 is 612712091.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 852881 + ... + 853103.

Almost surely, 2^190217216 is an apocalyptic number.

190217216 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 190217216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235224864).

190217216 is an abundant number, since it is smaller than the sum of its proper divisors (280232512).

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

190217216 is a wasteful number, since it uses less digits than its factorization.

190217216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 190217216 is about 13791.9257538605. The cubic root of 190217216 is about 575.1087038339.

The spelling of 190217216 in words is "one hundred ninety million, two hundred seventeen thousand, two hundred sixteen".