16550444163486 has 32 divisors (see below), whose sum is σ = 33390803278368. Its totient is φ = 5468699013120.

The previous prime is 16550444163479. The next prime is 16550444163503. The reversal of 16550444163486 is 68436144405561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25105681 + ... + 25756476.

It is an arithmetic number, because the mean of its divisors is an integer number (1043462602449).

Almost surely, 2^{16550444163486} is an apocalyptic number.

16550444163486 is an abundant number, since it is smaller than the sum of its proper divisors (16840359114882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16550444163486 is a wasteful number, since it uses less digits than its factorization.

16550444163486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50862636.

The product of its (nonzero) digits is 33177600, while the sum is 57.

The spelling of 16550444163486 in words is "sixteen trillion, five hundred fifty billion, four hundred forty-four million, one hundred sixty-three thousand, four hundred eighty-six".