261050060 has 12 divisors (see below), whose sum is σ = 548205168. Its totient is φ = 104420016.

The previous prime is 261050057. The next prime is 261050077. The reversal of 261050060 is 60050162.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 13052503 = 261050060 / (2 + 6 + 1 + 0 + 5 + 0 + 0 + 6 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6526232 + ... + 6526271.

It is an arithmetic number, because the mean of its divisors is an integer number (45683764).

Almost surely, 2^261050060 is an apocalyptic number.

261050060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

261050060 is an abundant number, since it is smaller than the sum of its proper divisors (287155108).

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

261050060 is a wasteful number, since it uses less digits than its factorization.

261050060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13052512 (or 13052510 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 261050060 is about 16157.0436652254. The cubic root of 261050060 is about 639.1085081165.

The spelling of 261050060 in words is "two hundred sixty-one million, fifty thousand, sixty".