66067548848 has 20 divisors (see below), whose sum is σ = 146292429840. Its totient is φ = 28314663744.

The previous prime is 66067548821. The next prime is 66067548881. The reversal of 66067548848 is 84884576066.

It is a super-2 number, since 2×66067548848² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294944303 + ... + 294944526.

It is an arithmetic number, because the mean of its divisors is an integer number (7314621492).

Almost surely, 2^66067548848 is an apocalyptic number.

It is an amenable number.

66067548848 is an abundant number, since it is smaller than the sum of its proper divisors (80224880992).

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

66067548848 is a wasteful number, since it uses less digits than its factorization.

66067548848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589888844 (or 589888838 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 62.

The spelling of 66067548848 in words is "sixty-six billion, sixty-seven million, five hundred forty-eight thousand, eight hundred forty-eight".