66190795 has 32 divisors (see below), whose sum is σ = 89369280. Its totient is φ = 46656000.

The previous prime is 66190793. The next prime is 66190807. The reversal of 66190795 is 59709166.

It is not a de Polignac number, because 66190795 - 2¹ = 66190793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66190793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365605 + ... + 365785.

It is an arithmetic number, because the mean of its divisors is an integer number (2792790).

Almost surely, 2^66190795 is an apocalyptic number.

66190795 is a deficient number, since it is larger than the sum of its proper divisors (23178485).

66190795 is a wasteful number, since it uses less digits than its factorization.

66190795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 66190795 is about 8135.7725509014. The cubic root of 66190795 is about 404.5130457945.

The spelling of 66190795 in words is "sixty-six million, one hundred ninety thousand, seven hundred ninety-five".