264006650661 has 16 divisors (see below), whose sum is σ = 392158421760. Its totient is φ = 156863367360.

The previous prime is 264006650659. The next prime is 264006650681. The reversal of 264006650661 is 166056600462.

It is a happy number.

264006650661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 264006650661 - 2¹ = 264006650659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264006650681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116712685 + ... + 116714946.

It is an arithmetic number, because the mean of its divisors is an integer number (24509901360).

Almost surely, 2^264006650661 is an apocalyptic number.

It is an amenable number.

264006650661 is a deficient number, since it is larger than the sum of its proper divisors (128151771099).

264006650661 is a wasteful number, since it uses less digits than its factorization.

264006650661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233427676.

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

The spelling of 264006650661 in words is "two hundred sixty-four billion, six million, six hundred fifty thousand, six hundred sixty-one".