64015018 has 4 divisors (see below), whose sum is σ = 96022530. Its totient is φ = 32007508.

The previous prime is 64015001. The next prime is 64015033. The reversal of 64015018 is 81051046.

64015018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52229529 + 11785489 = 7227^2 + 3433^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64014983 and 64015001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16003753 + ... + 16003756.

Almost surely, 2^64015018 is an apocalyptic number.

64015018 is a deficient number, since it is larger than the sum of its proper divisors (32007512).

64015018 is a wasteful number, since it uses less digits than its factorization.

64015018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32007511.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 64015018 is about 8000.9385699429. The cubic root of 64015018 is about 400.0312850530.

The spelling of 64015018 in words is "sixty-four million, fifteen thousand, eighteen".