64016428 has 12 divisors (see below), whose sum is σ = 128032912. Its totient is φ = 27435600.

The previous prime is 64016413. The next prime is 64016467. The reversal of 64016428 is 82461046.

64016428 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 64016428.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1143123 + ... + 1143178.

Almost surely, 2^64016428 is an apocalyptic number.

It is an amenable number.

64016428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64016428 is a wasteful number, since it uses less digits than its factorization.

64016428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286312 (or 2286310 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 64016428 is about 8001.0266841200. The cubic root of 64016428 is about 400.0342220720.

The spelling of 64016428 in words is "sixty-four million, sixteen thousand, four hundred twenty-eight".