66062065172 has 12 divisors (see below), whose sum is σ = 115621191840. Its totient is φ = 33027438936.

The previous prime is 66062065159. The next prime is 66062065183. The reversal of 66062065172 is 27156026066.

66062065172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 856838 + ... + 930749.

It is an arithmetic number, because the mean of its divisors is an integer number (9635099320).

Almost surely, 2^66062065172 is an apocalyptic number.

It is an amenable number.

66062065172 is a deficient number, since it is larger than the sum of its proper divisors (49559126668).

66062065172 is a wasteful number, since it uses less digits than its factorization.

66062065172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796830 (or 1796828 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 66062065172 in words is "sixty-six billion, sixty-two million, sixty-five thousand, one hundred seventy-two".