64506268 has 6 divisors (see below), whose sum is σ = 112885976. Its totient is φ = 32253132.

The previous prime is 64506251. The next prime is 64506289. The reversal of 64506268 is 86260546.

64506268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64506268² = 8322117222575648, which contains 22 as substring.

It is a congruent number.

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, 8063280 + ... + 8063287.

Almost surely, 2^64506268 is an apocalyptic number.

It is an amenable number.

64506268 is a deficient number, since it is larger than the sum of its proper divisors (48379708).

64506268 is a wasteful number, since it uses less digits than its factorization.

64506268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16126571 (or 16126569 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 64506268 is about 8031.5794212596. The cubic root of 64506268 is about 401.0519560460.

The spelling of 64506268 in words is "sixty-four million, five hundred six thousand, two hundred sixty-eight".