261340222043162 has 16 divisors (see below), whose sum is σ = 396749963901312. Its totient is φ = 129090365939520.

The previous prime is 261340222043099. The next prime is 261340222043177.

261340222043162 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28988639 + ... + 36919122.

It is an arithmetic number, because the mean of its divisors is an integer number (24796872743832).

Almost surely, 2^{261340222043162} is an apocalyptic number.

261340222043162 is a deficient number, since it is larger than the sum of its proper divisors (135409741858150).

261340222043162 is a wasteful number, since it uses less digits than its factorization.

261340222043162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65931733.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 261340222043162 in words is "two hundred sixty-one trillion, three hundred forty billion, two hundred twenty-two million, forty-three thousand, one hundred sixty-two".