261085096 has 16 divisors (see below), whose sum is σ = 493273440. Its totient is φ = 129545520.

The previous prime is 261085093. The next prime is 261085127. The reversal of 261085096 is 690580162.

It is not an unprimeable number, because it can be changed into a prime (261085091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123516 + ... + 125611.

It is an arithmetic number, because the mean of its divisors is an integer number (30829590).

Almost surely, 2^261085096 is an apocalyptic number.

It is an amenable number.

261085096 is a deficient number, since it is larger than the sum of its proper divisors (232188344).

261085096 is a wasteful number, since it uses less digits than its factorization.

261085096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249264 (or 249260 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 261085096 is about 16158.1278618533. The cubic root of 261085096 is about 639.1370988065.

The spelling of 261085096 in words is "two hundred sixty-one million, eighty-five thousand, ninety-six".