64041191 has 8 divisors (see below), whose sum is σ = 69234480. Its totient is φ = 59030208.

The previous prime is 64041179. The next prime is 64041253. The reversal of 64041191 is 19114046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64041191 - 2⁶ = 64041127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64041191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64041101) 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, 44846 + ... + 46251.

It is an arithmetic number, because the mean of its divisors is an integer number (8654310).

Almost surely, 2^64041191 is an apocalyptic number.

64041191 is a deficient number, since it is larger than the sum of its proper divisors (5193289).

64041191 is a wasteful number, since it uses less digits than its factorization.

64041191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91153.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 64041191 is about 8002.5740234002. The cubic root of 64041191 is about 400.0857961796.

The spelling of 64041191 in words is "sixty-four million, forty-one thousand, one hundred ninety-one".