191050560 has 84 divisors (see below), whose sum is σ = 657144228. Its totient is φ = 50946048.

The previous prime is 191050469. The next prime is 191050571. The reversal of 191050560 is 65050191.

It can be written as a sum of positive squares in 2 ways, for example, as 84052224 + 106998336 = 9168^2 + 10344^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30289 + ... + 36048.

Almost surely, 2^191050560 is an apocalyptic number.

191050560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

191050560 is an abundant number, since it is smaller than the sum of its proper divisors (466093668).

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

191050560 is a wasteful number, since it uses less digits than its factorization.

191050560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66360 (or 66347 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 191050560 is about 13822.1040366509. The cubic root of 191050560 is about 575.9473331475.

The spelling of 191050560 in words is "one hundred ninety-one million, fifty thousand, five hundred sixty".