190666080 has 144 divisors (see below), whose sum is σ = 709856784. Its totient is φ = 46218240.

The previous prime is 190666009. The next prime is 190666103. The reversal of 190666080 is 80666091.

190666080 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9822 + ... + 21858.

It is an arithmetic number, because the mean of its divisors is an integer number (4929561).

Almost surely, 2^190666080 is an apocalyptic number.

190666080 is a gapful number since it is divisible by the number (10) 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 190666080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354928392).

190666080 is an abundant number, since it is smaller than the sum of its proper divisors (519190704).

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

190666080 is a wasteful number, since it uses less digits than its factorization.

190666080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12069 (or 12058 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 190666080 is about 13808.1888747221. The cubic root of 190666080 is about 575.5607183113.

The spelling of 190666080 in words is "one hundred ninety million, six hundred sixty-six thousand, eighty".