64171104 has 48 divisors (see below), whose sum is σ = 175779072. Its totient is φ = 20459648.

The previous prime is 64171103. The next prime is 64171117. The reversal of 64171104 is 40117146.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64171103) 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, 12324 + ... + 16739.

It is an arithmetic number, because the mean of its divisors is an integer number (3662064).

Almost surely, 2^64171104 is an apocalyptic number.

It is an amenable number.

64171104 is an abundant number, since it is smaller than the sum of its proper divisors (111607968).

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

64171104 is a wasteful number, since it uses less digits than its factorization.

64171104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29099 (or 29091 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 64171104 is about 8010.6868619364. The cubic root of 64171104 is about 400.3561494664.

The spelling of 64171104 in words is "sixty-four million, one hundred seventy-one thousand, one hundred four".