22016602505461 has 4 divisors (see below), whose sum is σ = 23175371058400. Its totient is φ = 20857833952524.

The previous prime is 22016602505437. The next prime is 22016602505473. The reversal of 22016602505461 is 16450520661022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22016602505461 - 2¹⁵ = 22016602472693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22016602535461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579384276441 + ... + 579384276478.

It is an arithmetic number, because the mean of its divisors is an integer number (5793842764600).

Almost surely, 2^{22016602505461} is an apocalyptic number.

It is an amenable number.

22016602505461 is a deficient number, since it is larger than the sum of its proper divisors (1158768552939).

22016602505461 is a wasteful number, since it uses less digits than its factorization.

22016602505461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158768552938.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 22016602505461 in words is "twenty-two trillion, sixteen billion, six hundred two million, five hundred five thousand, four hundred sixty-one".