16477082551644 has 288 divisors, whose sum is σ = 46378210271232. Its totient is φ = 4521459571200.

The previous prime is 16477082551619. The next prime is 16477082551723. The reversal of 16477082551644 is 44615528077461.

It is a happy number.

It is a super-2 number, since 2×16477082551644² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 440981307 + ... + 441018669.

Almost surely, 2^{16477082551644} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16477082551644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23189105135616).

16477082551644 is an abundant number, since it is smaller than the sum of its proper divisors (29901127719588).

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

16477082551644 is a wasteful number, since it uses less digits than its factorization.

16477082551644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37849 (or 37836 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 60.

The spelling of 16477082551644 in words is "sixteen trillion, four hundred seventy-seven billion, eighty-two million, five hundred fifty-one thousand, six hundred forty-four".