190672668 has 36 divisors (see below), whose sum is σ = 502935888. Its totient is φ = 60793920.

The previous prime is 190672667. The next prime is 190672711. The reversal of 190672668 is 866276091.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190672667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114313 + ... + 115968.

Almost surely, 2^190672668 is an apocalyptic number.

190672668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

190672668 is an abundant number, since it is smaller than the sum of its proper divisors (312263220).

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

190672668 is a wasteful number, since it uses less digits than its factorization.

190672668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230314 (or 230309 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 190672668 is about 13808.4274267565. The cubic root of 190672668 is about 575.5673472659.

The spelling of 190672668 in words is "one hundred ninety million, six hundred seventy-two thousand, six hundred sixty-eight".