190785066 has 32 divisors (see below), whose sum is σ = 394149888. Its totient is φ = 61526640.

The previous prime is 190785053. The next prime is 190785071. The reversal of 190785066 is 660587091.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24151 + ... + 31061.

It is an arithmetic number, because the mean of its divisors is an integer number (12317184).

Almost surely, 2^190785066 is an apocalyptic number.

190785066 is an abundant number, since it is smaller than the sum of its proper divisors (203364822).

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

190785066 is a wasteful number, since it uses less digits than its factorization.

190785066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7066.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 190785066 is about 13812.4967330313. The cubic root of 190785066 is about 575.6804204746.

The spelling of 190785066 in words is "one hundred ninety million, seven hundred eighty-five thousand, sixty-six".