261632343236162 has 32 divisors (see below), whose sum is σ = 410131565518320. Its totient is φ = 125014848716800.

The previous prime is 261632343236153. The next prime is 261632343236273.

261632343236162 is nontrivially palindromic in base 10.

261632343236162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 258548101283761 + 3084241952401 = 16079431^2 + 1756201^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 261632343236162.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11257898 + ... + 25495194.

Almost surely, 2^{261632343236162} is an apocalyptic number.

261632343236162 is a deficient number, since it is larger than the sum of its proper divisors (148499222282158).

261632343236162 is a wasteful number, since it uses less digits than its factorization.

261632343236162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14240566.

The product of its digits is 6718464, while the sum is 50.

The spelling of 261632343236162 in words is "two hundred sixty-one trillion, six hundred thirty-two billion, three hundred forty-three million, two hundred thirty-six thousand, one hundred sixty-two".