66356196 has 24 divisors (see below), whose sum is σ = 161563584. Its totient is φ = 21156960.

The previous prime is 66356177. The next prime is 66356201. The reversal of 66356196 is 69165366.

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, 119935 + ... + 120486.

It is an arithmetic number, because the mean of its divisors is an integer number (6731816).

Almost surely, 2^66356196 is an apocalyptic number.

It is an amenable number.

66356196 is an abundant number, since it is smaller than the sum of its proper divisors (95207388).

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

66356196 is a wasteful number, since it uses less digits than its factorization.

66356196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240451 (or 240449 counting only the distinct ones).

The product of its digits is 174960, while the sum is 42.

The square root of 66356196 is about 8145.9312543134. The cubic root of 66356196 is about 404.8497049398.

The spelling of 66356196 in words is "sixty-six million, three hundred fifty-six thousand, one hundred ninety-six".