64164471 has 24 divisors (see below), whose sum is σ = 101844864. Its totient is φ = 35809200.

The previous prime is 64164437. The next prime is 64164473. The reversal of 64164471 is 17446146.

It is not a de Polignac number, because 64164471 - 2⁶ = 64164407 is a prime.

It is a super-3 number, since 3×64164471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64164473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1246 + ... + 11396.

It is an arithmetic number, because the mean of its divisors is an integer number (4243536).

Almost surely, 2^64164471 is an apocalyptic number.

64164471 is a deficient number, since it is larger than the sum of its proper divisors (37680393).

64164471 is a wasteful number, since it uses less digits than its factorization.

64164471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10211 (or 10204 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 64164471 is about 8010.2728417951. The cubic root of 64164471 is about 400.3423548160.

The spelling of 64164471 in words is "sixty-four million, one hundred sixty-four thousand, four hundred seventy-one".