191103164 has 24 divisors (see below), whose sum is σ = 383674368. Its totient is φ = 81586800.

The previous prime is 191103149. The next prime is 191103167. The reversal of 191103164 is 461301191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191103167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5612 + ... + 20339.

It is an arithmetic number, because the mean of its divisors is an integer number (15986432).

Almost surely, 2^191103164 is an apocalyptic number.

191103164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

191103164 is an abundant number, since it is smaller than the sum of its proper divisors (192571204).

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

191103164 is a wasteful number, since it uses less digits than its factorization.

191103164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26225 (or 26223 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 191103164 is about 13824.0067997668. The cubic root of 191103164 is about 576.0001888824. Note that the first 3 decimals are identical.

The spelling of 191103164 in words is "one hundred ninety-one million, one hundred three thousand, one hundred sixty-four".