66226956 has 12 divisors (see below), whose sum is σ = 154529592. Its totient is φ = 22075648.

The previous prime is 66226949. The next prime is 66226999. The reversal of 66226956 is 65962266.

66226956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2759445 + ... + 2759468.

It is an arithmetic number, because the mean of its divisors is an integer number (12877466).

Almost surely, 2^66226956 is an apocalyptic number.

It is an amenable number.

66226956 is an abundant number, since it is smaller than the sum of its proper divisors (88302636).

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

66226956 is a wasteful number, since it uses less digits than its factorization.

66226956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518920 (or 5518918 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 66226956 is about 8137.9945932644. The cubic root of 66226956 is about 404.5866961830.

The spelling of 66226956 in words is "sixty-six million, two hundred twenty-six thousand, nine hundred fifty-six".