16556055000 has 80 divisors (see below), whose sum is σ = 51721162680. Its totient is φ = 4414944000.

The previous prime is 16556054989. The next prime is 16556055011. The reversal of 16556055000 is 55065561.

It is an interprime number because it is at equal distance from previous prime (16556054989) and next prime (16556055011).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 536869 + ... + 566868.

Almost surely, 2^16556055000 is an apocalyptic number.

16556055000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16556055000 is an abundant number, since it is smaller than the sum of its proper divisors (35165107680).

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

16556055000 is a wasteful number, since it uses less digits than its factorization.

16556055000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103766 (or 1103747 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 16556055000 in words is "sixteen billion, five hundred fifty-six million, fifty-five thousand".