64135303216 has 10 divisors (see below), whose sum is σ = 124262150012. Its totient is φ = 32067651600.

The previous prime is 64135303207. The next prime is 64135303229. The reversal of 64135303216 is 61230353146.

It is a super-2 number, since 2×64135303216² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2004228210 + ... + 2004228241.

Almost surely, 2^64135303216 is an apocalyptic number.

It is an amenable number.

64135303216 is a deficient number, since it is larger than the sum of its proper divisors (60126846796).

64135303216 is a wasteful number, since it uses less digits than its factorization.

64135303216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008456459 (or 4008456453 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 64135303216 in words is "sixty-four billion, one hundred thirty-five million, three hundred three thousand, two hundred sixteen".