190666896 has 80 divisors (see below), whose sum is σ = 566059008. Its totient is φ = 54172800.

The previous prime is 190666867. The next prime is 190666897. The reversal of 190666896 is 698666091.

It is not an unprimeable number, because it can be changed into a prime (190666897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62691 + ... + 65661.

Almost surely, 2^190666896 is an apocalyptic number.

190666896 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 190666896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283029504).

190666896 is an abundant number, since it is smaller than the sum of its proper divisors (375392112).

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

190666896 is a wasteful number, since it uses less digits than its factorization.

190666896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180 (or 3174 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 190666896 is about 13808.2184223744. The cubic root of 190666896 is about 575.5615393923.

The spelling of 190666896 in words is "one hundred ninety million, six hundred sixty-six thousand, eight hundred ninety-six".