66196041 has 8 divisors (see below), whose sum is σ = 89708544. Its totient is φ = 43407120.

The previous prime is 66196037. The next prime is 66196043. The reversal of 66196041 is 14069166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66196041 - 2² = 66196037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66195993 and 66196011.

It is not an unprimeable number, because it can be changed into a prime (66196043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180681 + ... + 181046.

It is an arithmetic number, because the mean of its divisors is an integer number (11213568).

Almost surely, 2^66196041 is an apocalyptic number.

66196041 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

66196041 is a deficient number, since it is larger than the sum of its proper divisors (23512503).

66196041 is a wasteful number, since it uses less digits than its factorization.

66196041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361791.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 66196041 is about 8136.0949478236. The cubic root of 66196041 is about 404.5237321715.

Subtracting from 66196041 its product of nonzero digits (7776), we obtain a triangular number (66188265 = T₁₁₅₀₅).

The spelling of 66196041 in words is "sixty-six million, one hundred ninety-six thousand, forty-one".