16554664050727 has 16 divisors (see below), whose sum is σ = 19016539816320. Its totient is φ = 14252805943200.

The previous prime is 16554664050671. The next prime is 16554664050787. The reversal of 16554664050727 is 72705046645561.

It is not a de Polignac number, because 16554664050727 - 2¹⁵ = 16554664017959 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 (16554664050787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12709408 + ... + 13951285.

It is an arithmetic number, because the mean of its divisors is an integer number (1188533738520).

Almost surely, 2^{16554664050727} is an apocalyptic number.

16554664050727 is a deficient number, since it is larger than the sum of its proper divisors (2461875765593).

16554664050727 is a wasteful number, since it uses less digits than its factorization.

16554664050727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26663694.

The product of its (nonzero) digits is 42336000, while the sum is 58.

The spelling of 16554664050727 in words is "sixteen trillion, five hundred fifty-four billion, six hundred sixty-four million, fifty thousand, seven hundred twenty-seven".