64616412 has 24 divisors (see below), whose sum is σ = 172310656. Its totient is φ = 18461808.

The previous prime is 64616411. The next prime is 64616417. The reversal of 64616412 is 21461646.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 64616412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64616411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384538 + ... + 384705.

Almost surely, 2^64616412 is an apocalyptic number.

It is an amenable number.

64616412 is an abundant number, since it is smaller than the sum of its proper divisors (107694244).

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

64616412 is a wasteful number, since it uses less digits than its factorization.

64616412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769257 (or 769255 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 64616412 is about 8038.4334294687. The cubic root of 64616412 is about 401.2800907161.

The spelling of 64616412 in words is "sixty-four million, six hundred sixteen thousand, four hundred twelve".