64228711536 has 100 divisors (see below), whose sum is σ = 202796254584. Its totient is φ = 19463241600.

The previous prime is 64228711523. The next prime is 64228711621. The reversal of 64228711536 is 63511782246.

64228711536 is a `hidden beast` number, since 6 + 4 + 22 + 87 + 11 + 536 = 666.

64228711536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64228711491 and 64228711500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2238435 + ... + 2266946.

Almost surely, 2^64228711536 is an apocalyptic number.

64228711536 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

64228711536 is an abundant number, since it is smaller than the sum of its proper divisors (138567543048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64228711536 is a wasteful number, since it uses less digits than its factorization.

64228711536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505412 (or 4505397 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 64228711536 in words is "sixty-four billion, two hundred twenty-eight million, seven hundred eleven thousand, five hundred thirty-six".