261160132 has 12 divisors (see below), whose sum is σ = 458928316. Its totient is φ = 130037760.

The previous prime is 261160127. The next prime is 261160157. The reversal of 261160132 is 231061162.

It can be written as a sum of positive squares in 2 ways, for example, as 215678596 + 45481536 = 14686^2 + 6744^2 .

It is a super-2 number, since 2×261160132² = 136409229092514848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134493 + ... + 136420.

Almost surely, 2^261160132 is an apocalyptic number.

It is an amenable number.

261160132 is a deficient number, since it is larger than the sum of its proper divisors (197768184).

261160132 is a wasteful number, since it uses less digits than its factorization.

261160132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271158 (or 271156 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 261160132 is about 16160.4496224579. The cubic root of 261160132 is about 639.1983223928.

The spelling of 261160132 in words is "two hundred sixty-one million, one hundred sixty thousand, one hundred thirty-two".