16220544541 has 8 divisors (see below), whose sum is σ = 16935730560. Its totient is φ = 15506187312.

The previous prime is 16220544533. The next prime is 16220544619. The reversal of 16220544541 is 14544502261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16220544541 - 2³ = 16220544533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16220544497 and 16220544506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16220574541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167025 + ... + 245638.

It is an arithmetic number, because the mean of its divisors is an integer number (2116966320).

Almost surely, 2^16220544541 is an apocalyptic number.

It is an amenable number.

16220544541 is a deficient number, since it is larger than the sum of its proper divisors (715186019).

16220544541 is a wasteful number, since it uses less digits than its factorization.

16220544541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414395.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 16220544541 in words is "sixteen billion, two hundred twenty million, five hundred forty-four thousand, five hundred forty-one".