261752730682 has 16 divisors (see below), whose sum is σ = 394909992000. Its totient is φ = 130116390880.

The previous prime is 261752730649. The next prime is 261752730683. The reversal of 261752730682 is 286037257162.

It is not an unprimeable number, because it can be changed into a prime (261752730683) 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, 1585707 + ... + 1742977.

It is an arithmetic number, because the mean of its divisors is an integer number (24681874500).

Almost surely, 2^261752730682 is an apocalyptic number.

261752730682 is a deficient number, since it is larger than the sum of its proper divisors (133157261318).

261752730682 is a wasteful number, since it uses less digits than its factorization.

261752730682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162101.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 261752730682 in words is "two hundred sixty-one billion, seven hundred fifty-two million, seven hundred thirty thousand, six hundred eighty-two".