191766130 has 16 divisors (see below), whose sum is σ = 345412800. Its totient is φ = 76654512.

The previous prime is 191766083. The next prime is 191766139. The reversal of 191766130 is 31667191.

It is not an unprimeable number, because it can be changed into a prime (191766139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11347 + ... + 22633.

It is an arithmetic number, because the mean of its divisors is an integer number (21588300).

Almost surely, 2^191766130 is an apocalyptic number.

191766130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

191766130 is a deficient number, since it is larger than the sum of its proper divisors (153646670).

191766130 is a wasteful number, since it uses less digits than its factorization.

191766130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12993.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 191766130 is about 13847.9648324221. The cubic root of 191766130 is about 576.6654976012.

The spelling of 191766130 in words is "one hundred ninety-one million, seven hundred sixty-six thousand, one hundred thirty".