64355516 has 6 divisors (see below), whose sum is σ = 112622160. Its totient is φ = 32177756.

The previous prime is 64355513. The next prime is 64355537. The reversal of 64355516 is 61555346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64355513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8044436 + ... + 8044443.

It is an arithmetic number, because the mean of its divisors is an integer number (18770360).

Almost surely, 2^64355516 is an apocalyptic number.

It is an amenable number.

64355516 is a deficient number, since it is larger than the sum of its proper divisors (48266644).

64355516 is a wasteful number, since it uses less digits than its factorization.

64355516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16088883 (or 16088881 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The square root of 64355516 is about 8022.1889780782. The cubic root of 64355516 is about 400.7392911132.

The spelling of 64355516 in words is "sixty-four million, three hundred fifty-five thousand, five hundred sixteen".