261068898 has 32 divisors (see below), whose sum is σ = 561928320. Its totient is φ = 80559360.

The previous prime is 261068897. The next prime is 261068903. The reversal of 261068898 is 898860162.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (261068893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14758 + ... + 27201.

It is an arithmetic number, because the mean of its divisors is an integer number (17560260).

Almost surely, 2^261068898 is an apocalyptic number.

261068898 is an abundant number, since it is smaller than the sum of its proper divisors (300859422).

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

261068898 is a wasteful number, since it uses less digits than its factorization.

261068898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42042.

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 261068898 is about 16157.6266202682. The cubic root of 261068898 is about 639.1238809490.

The spelling of 261068898 in words is "two hundred sixty-one million, sixty-eight thousand, eight hundred ninety-eight".