64088916 has 12 divisors (see below), whose sum is σ = 149540832. Its totient is φ = 21362968.

The previous prime is 64088911. The next prime is 64088933. The reversal of 64088916 is 61988046.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64088911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2670360 + ... + 2670383.

It is an arithmetic number, because the mean of its divisors is an integer number (12461736).

Almost surely, 2^64088916 is an apocalyptic number.

It is an amenable number.

64088916 is an abundant number, since it is smaller than the sum of its proper divisors (85451916).

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

64088916 is a wasteful number, since it uses less digits than its factorization.

64088916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340750 (or 5340748 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 64088916 is about 8005.5553211504. Note that the first 3 decimals coincide. The cubic root of 64088916 is about 400.1851559466.

The spelling of 64088916 in words is "sixty-four million, eighty-eight thousand, nine hundred sixteen".