64571416 has 48 divisors (see below), whose sum is σ = 151683840. Its totient is φ = 25542720.

The previous prime is 64571411. The next prime is 64571449. The reversal of 64571416 is 61417546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64571411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1240 + ... + 11431.

It is an arithmetic number, because the mean of its divisors is an integer number (3160080).

Almost surely, 2^64571416 is an apocalyptic number.

It is an amenable number.

64571416 is an abundant number, since it is smaller than the sum of its proper divisors (87112424).

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

64571416 is a wasteful number, since it uses less digits than its factorization.

64571416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12704 (or 12693 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 64571416 is about 8035.6341380130. The cubic root of 64571416 is about 401.1869245417.

The spelling of 64571416 in words is "sixty-four million, five hundred seventy-one thousand, four hundred sixteen".