664016514 has 32 divisors (see below), whose sum is σ = 1519512576. Its totient is φ = 189498960.

The previous prime is 664016501. The next prime is 664016519. The reversal of 664016514 is 415610466.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (664016519) 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, 29379 + ... + 46809.

It is an arithmetic number, because the mean of its divisors is an integer number (47484768).

Almost surely, 2^664016514 is an apocalyptic number.

664016514 is an abundant number, since it is smaller than the sum of its proper divisors (855496062).

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

664016514 is a wasteful number, since it uses less digits than its factorization.

664016514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18350.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 664016514 is about 25768.5178852025. The cubic root of 664016514 is about 872.4213666843.

The spelling of 664016514 in words is "six hundred sixty-four million, sixteen thousand, five hundred fourteen".