66101011 has 8 divisors (see below), whose sum is σ = 69166080. Its totient is φ = 63051912.

The previous prime is 66100999. The next prime is 66101023. The reversal of 66101011 is 11010166.

It is an interprime number because it is at equal distance from previous prime (66100999) and next prime (66101023).

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 66101011 - 2⁷ = 66100883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66101041) 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, 4926 + ... + 12508.

It is an arithmetic number, because the mean of its divisors is an integer number (8645760).

Almost surely, 2^66101011 is an apocalyptic number.

66101011 is a deficient number, since it is larger than the sum of its proper divisors (3065069).

66101011 is a wasteful number, since it uses less digits than its factorization.

66101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7985.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 66101011 is about 8130.2528250971. The cubic root of 66101011 is about 404.3300634873.

Adding to 66101011 its reverse (11010166), we get a palindrome (77111177).

It can be divided in two parts, 66 and 101011, that multiplied together give a triangular number (6666726 = T₃₆₅₁).

The spelling of 66101011 in words is "sixty-six million, one hundred one thousand, eleven".