264346532661 has 32 divisors (see below), whose sum is σ = 371013027840. Its totient is φ = 167096001600.

The previous prime is 264346532627. The next prime is 264346532719. The reversal of 264346532661 is 166235643462.

It is not a de Polignac number, because 264346532661 - 2⁷ = 264346532533 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 264346532661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264346532621) 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 31 ways as a sum of consecutive naturals, for example, 3850050 + ... + 3918108.

It is an arithmetic number, because the mean of its divisors is an integer number (11594157120).

Almost surely, 2^264346532661 is an apocalyptic number.

It is an amenable number.

264346532661 is a deficient number, since it is larger than the sum of its proper divisors (106666495179).

264346532661 is a wasteful number, since it uses less digits than its factorization.

264346532661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68577.

The product of its digits is 3732480, while the sum is 48.

The spelling of 264346532661 in words is "two hundred sixty-four billion, three hundred forty-six million, five hundred thirty-two thousand, six hundred sixty-one".