190651872 has 96 divisors (see below), whose sum is σ = 533488032. Its totient is φ = 59408384.

The previous prime is 190651859. The next prime is 190651873. The reversal of 190651872 is 278156091.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 190651872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190651873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321208 + ... + 321800.

It is an arithmetic number, because the mean of its divisors is an integer number (5557167).

Almost surely, 2^190651872 is an apocalyptic number.

190651872 is a gapful number since it is divisible by the number (12) 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 190651872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266744016).

190651872 is an abundant number, since it is smaller than the sum of its proper divisors (342836160).

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

190651872 is a wasteful number, since it uses less digits than its factorization.

190651872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 190651872 is about 13807.6743878178. The cubic root of 190651872 is about 575.5464214669.

The spelling of 190651872 in words is "one hundred ninety million, six hundred fifty-one thousand, eight hundred seventy-two".