16620776247541 has 8 divisors (see below), whose sum is σ = 17500335530400. Its totient is φ = 15741695123280.

The previous prime is 16620776247539. The next prime is 16620776247563. The reversal of 16620776247541 is 14574267702661.

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 16620776247541 - 2¹ = 16620776247539 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 (16620776247511) 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, 119468290 + ... + 119607331.

It is an arithmetic number, because the mean of its divisors is an integer number (2187541941300).

Almost surely, 2^{16620776247541} is an apocalyptic number.

It is an amenable number.

16620776247541 is a deficient number, since it is larger than the sum of its proper divisors (879559282859).

16620776247541 is a wasteful number, since it uses less digits than its factorization.

16620776247541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239079299.

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 16620776247541 in words is "sixteen trillion, six hundred twenty billion, seven hundred seventy-six million, two hundred forty-seven thousand, five hundred forty-one".