265201516616461 has 16 divisors (see below), whose sum is σ = 281810317477248. Its totient is φ = 248704897996800.

The previous prime is 265201516616441. The next prime is 265201516616501. The reversal of 265201516616461 is 164616615102562.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265201516616461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265201516616399 and 265201516616408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265201516616401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81102621 + ... + 84309181.

It is an arithmetic number, because the mean of its divisors is an integer number (17613144842328).

Almost surely, 2^{265201516616461} is an apocalyptic number.

It is an amenable number.

265201516616461 is a deficient number, since it is larger than the sum of its proper divisors (16608800860787).

265201516616461 is a wasteful number, since it uses less digits than its factorization.

265201516616461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224052.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 265201516616461 in words is "two hundred sixty-five trillion, two hundred one billion, five hundred sixteen million, six hundred sixteen thousand, four hundred sixty-one".