66190478411 has 8 divisors (see below), whose sum is σ = 66569564880. Its totient is φ = 65811495712.

The previous prime is 66190478383. The next prime is 66190478483. The reversal of 66190478411 is 11487409166.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 66190478411 - 2¹⁴ = 66190462027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66190478311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1513001 + ... + 1556133.

It is an arithmetic number, because the mean of its divisors is an integer number (8321195610).

Almost surely, 2^66190478411 is an apocalyptic number.

66190478411 is a deficient number, since it is larger than the sum of its proper divisors (379086469).

66190478411 is a wasteful number, since it uses less digits than its factorization.

66190478411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51885.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 66190478411 in words is "sixty-six billion, one hundred ninety million, four hundred seventy-eight thousand, four hundred eleven".