16684956144 has 60 divisors (see below), whose sum is σ = 47257324296. Its totient is φ = 5494640256.

The previous prime is 16684956143. The next prime is 16684956151. The reversal of 16684956144 is 44165948661.

16684956144 is a `hidden beast` number, since 1 + 6 + 6 + 8 + 495 + 6 + 144 = 666.

It is a super-4 number, since 4×16684956144⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16684956143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686047 + ... + 709950.

Almost surely, 2^16684956144 is an apocalyptic number.

It is an amenable number.

16684956144 is an abundant number, since it is smaller than the sum of its proper divisors (30572368152).

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

16684956144 is a wasteful number, since it uses less digits than its factorization.

16684956144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396094 (or 1396085 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 16684956144 in words is "sixteen billion, six hundred eighty-four million, nine hundred fifty-six thousand, one hundred forty-four".