64115169 has 8 divisors (see below), whose sum is σ = 85571712. Its totient is φ = 42701040.

The previous prime is 64115159. The next prime is 64115171. The reversal of 64115169 is 96151146.

64115169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64115169 - 2⁴ = 64115153 is a prime.

It is a super-2 number, since 2×64115169² = 8221509791797122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64115119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6889 + ... + 13254.

It is an arithmetic number, because the mean of its divisors is an integer number (10696464).

Almost surely, 2^64115169 is an apocalyptic number.

It is an amenable number.

64115169 is a deficient number, since it is larger than the sum of its proper divisors (21456543).

64115169 is a wasteful number, since it uses less digits than its factorization.

64115169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21207.

The product of its digits is 6480, while the sum is 33.

The square root of 64115169 is about 8007.1948271539. The cubic root of 64115169 is about 400.2397916379.

The spelling of 64115169 in words is "sixty-four million, one hundred fifteen thousand, one hundred sixty-nine".