264262421066 has 48 divisors (see below), whose sum is σ = 489068689536. Its totient is φ = 106411261824.

The previous prime is 264262420991. The next prime is 264262421141. The reversal of 264262421066 is 660124262462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (264262420991) and next prime (264262421141).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 842831 + ... + 1113053.

It is an arithmetic number, because the mean of its divisors is an integer number (10188931032).

Almost surely, 2^264262421066 is an apocalyptic number.

264262421066 is a deficient number, since it is larger than the sum of its proper divisors (224806268470).

264262421066 is a wasteful number, since it uses less digits than its factorization.

264262421066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270843 (or 270836 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 264262421066 in words is "two hundred sixty-four billion, two hundred sixty-two million, four hundred twenty-one thousand, sixty-six".