66011795 has 16 divisors (see below), whose sum is σ = 84000000. Its totient is φ = 49660128.

The previous prime is 66011779. The next prime is 66011797. The reversal of 66011795 is 59711066.

It is a cyclic number.

It is not a de Polignac number, because 66011795 - 2⁴ = 66011779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66011797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10706 + ... + 15704.

It is an arithmetic number, because the mean of its divisors is an integer number (5250000).

Almost surely, 2^66011795 is an apocalyptic number.

66011795 is a deficient number, since it is larger than the sum of its proper divisors (17988205).

66011795 is a wasteful number, since it uses less digits than its factorization.

66011795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 66011795 is about 8124.7643042737. The cubic root of 66011795 is about 404.1480745808.

The spelling of 66011795 in words is "sixty-six million, eleven thousand, seven hundred ninety-five".