66411114 has 64 divisors (see below), whose sum is σ = 170975232. Its totient is φ = 16689600.

The previous prime is 66411109. The next prime is 66411119. The reversal of 66411114 is 41111466.

It is an interprime number because it is at equal distance from previous prime (66411109) and next prime (66411119).

It is not an unprimeable number, because it can be changed into a prime (66411119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12004 + ... + 16640.

It is an arithmetic number, because the mean of its divisors is an integer number (2671488).

Almost surely, 2^66411114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66411114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85487616).

66411114 is an abundant number, since it is smaller than the sum of its proper divisors (104564118).

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

66411114 is a wasteful number, since it uses less digits than its factorization.

66411114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691.

The product of its digits is 576, while the sum is 24.

The square root of 66411114 is about 8149.3014424551. The cubic root of 66411114 is about 404.9613619594.

The spelling of 66411114 in words is "sixty-six million, four hundred eleven thousand, one hundred fourteen".