261761060 has 24 divisors (see below), whose sum is σ = 599671296. Its totient is φ = 95185760.

The previous prime is 261761041. The next prime is 261761063. The reversal of 261761060 is 60167162.

It is not an unprimeable number, because it can be changed into a prime (261761063) 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, 594692 + ... + 595131.

It is an arithmetic number, because the mean of its divisors is an integer number (24986304).

Almost surely, 2^261761060 is an apocalyptic number.

261761060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

261761060 is an abundant number, since it is smaller than the sum of its proper divisors (337910236).

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

261761060 is a wasteful number, since it uses less digits than its factorization.

261761060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189843 (or 1189841 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 261761060 is about 16179.0314914089. The cubic root of 261761060 is about 639.6882107603.

The spelling of 261761060 in words is "two hundred sixty-one million, seven hundred sixty-one thousand, sixty".