66341026 has 8 divisors (see below), whose sum is σ = 99564444. Its totient is φ = 33152880.

The previous prime is 66341003. The next prime is 66341029. The reversal of 66341026 is 62014366.

It is a Cunningham number, because it is equal to 8145²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 66341025 + 1 = 8145^2 + 1^2 .

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

It is a super-2 number, since 2×66341026² = 8802263461465352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66340985 and 66341003.

It is not an unprimeable number, because it can be changed into a prime (66341029) 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, 3465 + ... + 12028.

Almost surely, 2^66341026 is an apocalyptic number.

66341026 is a deficient number, since it is larger than the sum of its proper divisors (33223418).

66341026 is a wasteful number, since it uses less digits than its factorization.

66341026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17636.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 66341026 is about 8145.0000613874. Note that the first 4 decimals coincide. The cubic root of 66341026 is about 404.8188510609.

The spelling of 66341026 in words is "sixty-six million, three hundred forty-one thousand, twenty-six".