16867185055 has 16 divisors (see below), whose sum is σ = 23169660480. Its totient is φ = 11547309312.

The previous prime is 16867184977. The next prime is 16867185073. The reversal of 16867185055 is 55058176861.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-16867185055 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16867184993 and 16867185011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368940 + ... + 412129.

It is an arithmetic number, because the mean of its divisors is an integer number (1448103780).

Almost surely, 2^16867185055 is an apocalyptic number.

16867185055 is a deficient number, since it is larger than the sum of its proper divisors (6302475425).

16867185055 is an equidigital number, since it uses as much as digits as its factorization.

16867185055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781698.

The product of its (nonzero) digits is 2016000, while the sum is 52.

The spelling of 16867185055 in words is "sixteen billion, eight hundred sixty-seven million, one hundred eighty-five thousand, fifty-five".