191064093 has 32 divisors (see below), whose sum is σ = 294243840. Its totient is φ = 109179840.

The previous prime is 191064031. The next prime is 191064103. The reversal of 191064093 is 390460191.

191064093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 191064093 - 2¹² = 191059997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191064493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38830 + ... + 43472.

It is an arithmetic number, because the mean of its divisors is an integer number (9195120).

Almost surely, 2^191064093 is an apocalyptic number.

It is an amenable number.

191064093 is a deficient number, since it is larger than the sum of its proper divisors (103179747).

191064093 is a wasteful number, since it uses less digits than its factorization.

191064093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4729.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 191064093 is about 13822.5935699492. The cubic root of 191064093 is about 575.9609318361.

The spelling of 191064093 in words is "one hundred ninety-one million, sixty-four thousand, ninety-three".