4266061566 has 32 divisors (see below), whose sum is σ = 9728939808. Its totient is φ = 1235420160.

The previous prime is 4266061561. The next prime is 4266061567. The reversal of 4266061566 is 6651606624.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4266061561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607295 + ... + 1609946.

It is an arithmetic number, because the mean of its divisors is an integer number (304029369).

Almost surely, 2^4266061566 is an apocalyptic number.

4266061566 is an abundant number, since it is smaller than the sum of its proper divisors (5462878242).

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

4266061566 is a wasteful number, since it uses less digits than its factorization.

4266061566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217276.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 4266061566 is about 65315.0944728705. The cubic root of 4266061566 is about 1621.8438546846.

The spelling of 4266061566 in words is "four billion, two hundred sixty-six million, sixty-one thousand, five hundred sixty-six".