261467358834 has 16 divisors (see below), whose sum is σ = 570474237600. Its totient is φ = 79232532960.

The previous prime is 261467358833. The next prime is 261467358839. The reversal of 261467358834 is 438853764162.

It is a happy number.

261467358834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (261467358833) 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, 1980813259 + ... + 1980813390.

It is an arithmetic number, because the mean of its divisors is an integer number (35654639850).

Almost surely, 2^261467358834 is an apocalyptic number.

261467358834 is an abundant number, since it is smaller than the sum of its proper divisors (309006878766).

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

261467358834 is a wasteful number, since it uses less digits than its factorization.

261467358834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961626665.

The product of its digits is 23224320, while the sum is 57.

The spelling of 261467358834 in words is "two hundred sixty-one billion, four hundred sixty-seven million, three hundred fifty-eight thousand, eight hundred thirty-four".