66194053196 has 24 divisors (see below), whose sum is σ = 118322890224. Its totient is φ = 32394435840.

The previous prime is 66194053187. The next prime is 66194053213. The reversal of 66194053196 is 69135049166.

66194053196 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 7 ways as a sum of consecutive naturals, for example, 826985 + ... + 903488.

It is an arithmetic number, because the mean of its divisors is an integer number (4930120426).

Almost surely, 2^66194053196 is an apocalyptic number.

It is an amenable number.

66194053196 is a deficient number, since it is larger than the sum of its proper divisors (52128837028).

66194053196 is a wasteful number, since it uses less digits than its factorization.

66194053196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730681 (or 1730679 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 50.

The spelling of 66194053196 in words is "sixty-six billion, one hundred ninety-four million, fifty-three thousand, one hundred ninety-six".