191000160 has 384 divisors, whose sum is σ = 762048000. Its totient is φ = 44292096.

The previous prime is 191000149. The next prime is 191000189. The reversal of 191000160 is 61000191.

191000160 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×191000160² = 72962122240051200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1066951 + ... + 1067129.

It is an arithmetic number, because the mean of its divisors is an integer number (1984500).

Almost surely, 2^191000160 is an apocalyptic number.

191000160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 191000160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381024000).

191000160 is an abundant number, since it is smaller than the sum of its proper divisors (571047840).

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

191000160 is a wasteful number, since it uses less digits than its factorization.

191000160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 191000160 is about 13820.2807496809. The cubic root of 191000160 is about 575.8966828580.

The spelling of 191000160 in words is "one hundred ninety-one million, one hundred sixty", and thus it is an aban number.