191616960 has 56 divisors (see below), whose sum is σ = 608386896. Its totient is φ = 51097600.

The previous prime is 191616941. The next prime is 191616967. The reversal of 191616960 is 69616191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191616967) 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, 98841 + ... + 100760.

Almost surely, 2^191616960 is an apocalyptic number.

191616960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

191616960 is an abundant number, since it is smaller than the sum of its proper divisors (416769936).

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

191616960 is a wasteful number, since it uses less digits than its factorization.

191616960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199621 (or 199611 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 191616960 is about 13842.5777946161. The cubic root of 191616960 is about 576.5159343346.

The spelling of 191616960 in words is "one hundred ninety-one million, six hundred sixteen thousand, nine hundred sixty".