64345516 has 24 divisors (see below), whose sum is σ = 116039840. Its totient is φ = 31197312.

The previous prime is 64345499. The next prime is 64345517. The reversal of 64345516 is 61554346.

It is not an unprimeable number, because it can be changed into a prime (64345517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60001 + ... + 61063.

Almost surely, 2^64345516 is an apocalyptic number.

It is an amenable number.

64345516 is a deficient number, since it is larger than the sum of its proper divisors (51694324).

64345516 is a wasteful number, since it uses less digits than its factorization.

64345516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1511 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 64345516 is about 8021.5656825834. The cubic root of 64345516 is about 400.7185335012.

The spelling of 64345516 in words is "sixty-four million, three hundred forty-five thousand, five hundred sixteen".