66214110 has 32 divisors (see below), whose sum is σ = 159991200. Its totient is φ = 17537408.

The previous prime is 66214091. The next prime is 66214111. The reversal of 66214110 is 1141266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66214111) 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, 2937 + ... + 11876.

It is an arithmetic number, because the mean of its divisors is an integer number (4999725).

Almost surely, 2^66214110 is an apocalyptic number.

66214110 is an abundant number, since it is smaller than the sum of its proper divisors (93777090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66214110 is a wasteful number, since it uses less digits than its factorization.

66214110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14972.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 66214110 is about 8137.2052942027. The cubic root of 66214110 is about 404.5605353512.

Adding to 66214110 its reverse (1141266), we get a palindrome (67355376).

It can be divided in two parts, 6621 and 4110, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 66214110 in words is "sixty-six million, two hundred fourteen thousand, one hundred ten".