64516326 has 32 divisors (see below), whose sum is σ = 156142080. Its totient is φ = 17348736.

The previous prime is 64516303. The next prime is 64516327. The reversal of 64516326 is 62361546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64516327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44466 + ... + 45893.

It is an arithmetic number, because the mean of its divisors is an integer number (4879440).

Almost surely, 2^64516326 is an apocalyptic number.

64516326 is an abundant number, since it is smaller than the sum of its proper divisors (91625754).

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

64516326 is a wasteful number, since it uses less digits than its factorization.

64516326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90388.

The product of its digits is 25920, while the sum is 33.

The square root of 64516326 is about 8032.2055501587. The cubic root of 64516326 is about 401.0727993483.

The spelling of 64516326 in words is "sixty-four million, five hundred sixteen thousand, three hundred twenty-six".