66114419 has 16 divisors (see below), whose sum is σ = 77262336. Its totient is φ = 55406400.

The previous prime is 66114359. The next prime is 66114437. The reversal of 66114419 is 91441166.

It is a happy number.

It is not a de Polignac number, because 66114419 - 2²⁰ = 65065843 is a prime.

It is a super-2 number, since 2×66114419² = 8742232799415122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66114469) 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, 67604 + ... + 68574.

It is an arithmetic number, because the mean of its divisors is an integer number (4828896).

Almost surely, 2^66114419 is an apocalyptic number.

66114419 is a deficient number, since it is larger than the sum of its proper divisors (11147917).

66114419 is a wasteful number, since it uses less digits than its factorization.

66114419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186.

The product of its digits is 5184, while the sum is 32.

The square root of 66114419 is about 8131.0773578905. The cubic root of 66114419 is about 404.3573998871.

The spelling of 66114419 in words is "sixty-six million, one hundred fourteen thousand, four hundred nineteen".