261103060 has 24 divisors (see below), whose sum is σ = 554926176. Its totient is φ = 103182240.

The previous prime is 261103039. The next prime is 261103067. The reversal of 261103060 is 60301162.

261103060 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 (261103067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76986 + ... + 80305.

It is an arithmetic number, because the mean of its divisors is an integer number (23121924).

Almost surely, 2^261103060 is an apocalyptic number.

261103060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

261103060 is an abundant number, since it is smaller than the sum of its proper divisors (293823116).

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

261103060 is a wasteful number, since it uses less digits than its factorization.

261103060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157383 (or 157381 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 261103060 is about 16158.6837335224. The cubic root of 261103060 is about 639.1517571123.

The spelling of 261103060 in words is "two hundred sixty-one million, one hundred three thousand, sixty".