16265784743461 has 16 divisors (see below), whose sum is σ = 17809724881728. Its totient is φ = 14732813680000.

The previous prime is 16265784743447. The next prime is 16265784743543. The reversal of 16265784743461 is 16434748756261.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16265784743461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16265784743393 and 16265784743402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16265784743401) 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, 929961 + ... + 5778961.

It is an arithmetic number, because the mean of its divisors is an integer number (1113107805108).

Almost surely, 2^{16265784743461} is an apocalyptic number.

16265784743461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16265784743461 is a deficient number, since it is larger than the sum of its proper divisors (1543940138267).

16265784743461 is a wasteful number, since it uses less digits than its factorization.

16265784743461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850132.

The product of its digits is 162570240, while the sum is 64.

The spelling of 16265784743461 in words is "sixteen trillion, two hundred sixty-five billion, seven hundred eighty-four million, seven hundred forty-three thousand, four hundred sixty-one".