190660230 has 96 divisors (see below), whose sum is σ = 530869248. Its totient is φ = 49183200.

The previous prime is 190660207. The next prime is 190660241. The reversal of 190660230 is 32066091.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 190660194 and 190660203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74065 + ... + 76595.

It is an arithmetic number, because the mean of its divisors is an integer number (5529888).

Almost surely, 2^190660230 is an apocalyptic number.

190660230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 190660230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265434624).

190660230 is an abundant number, since it is smaller than the sum of its proper divisors (340209018).

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

190660230 is a wasteful number, since it uses less digits than its factorization.

190660230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584 (or 2572 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 190660230 is about 13807.9770422752. The cubic root of 190660230 is about 575.5548318166.

The spelling of 190660230 in words is "one hundred ninety million, six hundred sixty thousand, two hundred thirty".