16554046464 has 264 divisors, whose sum is σ = 50321613888. Its totient is φ = 5434490880.

The previous prime is 16554046459. The next prime is 16554046489. The reversal of 16554046464 is 46464045561.

16554046464 is a `hidden beast` number, since 1 + 6 + 5 + 540 + 46 + 4 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17666604 + ... + 17667540.

Almost surely, 2^16554046464 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 16554046464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25160806944).

16554046464 is an abundant number, since it is smaller than the sum of its proper divisors (33767567424).

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

16554046464 is an frugal number, since it uses more digits than its factorization.

16554046464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 16554046464 in words is "sixteen billion, five hundred fifty-four million, forty-six thousand, four hundred sixty-four".