66411026 has 8 divisors (see below), whose sum is σ = 108672624. Its totient is φ = 30186820.

The previous prime is 66411019. The next prime is 66411029. The reversal of 66411026 is 62011466.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 66410986 and 66411004.

It is not an unprimeable number, because it can be changed into a prime (66411029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509320 + ... + 1509363.

It is an arithmetic number, because the mean of its divisors is an integer number (13584078).

Almost surely, 2^66411026 is an apocalyptic number.

66411026 is a deficient number, since it is larger than the sum of its proper divisors (42261598).

66411026 is a wasteful number, since it uses less digits than its factorization.

66411026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018696.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 66411026 is about 8149.2960432175. The cubic root of 66411026 is about 404.9611830907.

It can be divided in two parts, 6641 and 1026, that added together give a palindrome (7667).

The spelling of 66411026 in words is "sixty-six million, four hundred eleven thousand, twenty-six".