66260226 has 8 divisors (see below), whose sum is σ = 132520464. Its totient is φ = 22086740.

The previous prime is 66260197. The next prime is 66260231. The reversal of 66260226 is 62206266.

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

66260226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 66260193 and 66260202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5521680 + ... + 5521691.

It is an arithmetic number, because the mean of its divisors is an integer number (16565058).

Almost surely, 2^66260226 is an apocalyptic number.

66260226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66260226 is a wasteful number, since it uses less digits than its factorization.

66260226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11043376.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 66260226 is about 8140.0384519976. The cubic root of 66260226 is about 404.6544346930.

The spelling of 66260226 in words is "sixty-six million, two hundred sixty thousand, two hundred twenty-six".