243364677043161 has 32 divisors (see below), whose sum is σ = 354485547158400. Its totient is φ = 147903266488320.

The previous prime is 243364677043139. The next prime is 243364677043199. The reversal of 243364677043161 is 161340776463342.

It is not a de Polignac number, because 243364677043161 - 2⁶ = 243364677043097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243364677043861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418366696 + ... + 418947993.

It is an arithmetic number, because the mean of its divisors is an integer number (11077673348700).

Almost surely, 2^{243364677043161} is an apocalyptic number.

It is an amenable number.

243364677043161 is a deficient number, since it is larger than the sum of its proper divisors (111120870115239).

243364677043161 is a wasteful number, since it uses less digits than its factorization.

243364677043161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837314889.

The product of its (nonzero) digits is 36578304, while the sum is 57.

The spelling of 243364677043161 in words is "two hundred forty-three trillion, three hundred sixty-four billion, six hundred seventy-seven million, forty-three thousand, one hundred sixty-one".