261006466326 has 16 divisors (see below), whose sum is σ = 522048279744. Its totient is φ = 86996264264.

The previous prime is 261006466309. The next prime is 261006466327. The reversal of 261006466326 is 623664600162.

261006466326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261006466327) 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 7 ways as a sum of consecutive naturals, for example, 1376316 + ... + 1554431.

It is an arithmetic number, because the mean of its divisors is an integer number (32628017484).

Almost surely, 2^261006466326 is an apocalyptic number.

261006466326 is an abundant number, since it is smaller than the sum of its proper divisors (261041813418).

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

261006466326 is a wasteful number, since it uses less digits than its factorization.

261006466326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945595.

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 261006466326 in words is "two hundred sixty-one billion, six million, four hundred sixty-six thousand, three hundred twenty-six".