16577122406 has 16 divisors (see below), whose sum is σ = 26808999504. Its totient is φ = 7642245024.

The previous prime is 16577122403. The next prime is 16577122411. The reversal of 16577122406 is 60422177561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16577122403) 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, 340700 + ... + 386303.

It is an arithmetic number, because the mean of its divisors is an integer number (1675562469).

Almost surely, 2^16577122406 is an apocalyptic number.

16577122406 is a deficient number, since it is larger than the sum of its proper divisors (10231877098).

16577122406 is a wasteful number, since it uses less digits than its factorization.

16577122406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727895.

The product of its (nonzero) digits is 141120, while the sum is 41.

Adding to 16577122406 its reverse (60422177561), we get a palindrome (76999299967).

The spelling of 16577122406 in words is "sixteen billion, five hundred seventy-seven million, one hundred twenty-two thousand, four hundred six".