64069066500 has 48 divisors (see below), whose sum is σ = 186569126016. Its totient is φ = 17085084000.

The previous prime is 64069066487. The next prime is 64069066517. The reversal of 64069066500 is 566096046.

64069066500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21354856 + ... + 21357855.

It is an arithmetic number, because the mean of its divisors is an integer number (3886856792).

Almost surely, 2^64069066500 is an apocalyptic number.

64069066500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64069066500 is an abundant number, since it is smaller than the sum of its proper divisors (122500059516).

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

64069066500 is a wasteful number, since it uses less digits than its factorization.

64069066500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42712733 (or 42712721 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 64069066500 in words is "sixty-four billion, sixty-nine million, sixty-six thousand, five hundred".