261068598 has 24 divisors (see below), whose sum is σ = 646455888. Its totient is φ = 74590992.

The previous prime is 261068557. The next prime is 261068611. The reversal of 261068598 is 895860162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1035861 + ... + 1036112.

It is an arithmetic number, because the mean of its divisors is an integer number (26935662).

Almost surely, 2^261068598 is an apocalyptic number.

261068598 is an abundant number, since it is smaller than the sum of its proper divisors (385387290).

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

261068598 is a wasteful number, since it uses less digits than its factorization.

261068598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071988 (or 2071985 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 261068598 is about 16157.6173367239. The cubic root of 261068598 is about 639.1236361384.

The spelling of 261068598 in words is "two hundred sixty-one million, sixty-eight thousand, five hundred ninety-eight".