16555434124 has 12 divisors (see below), whose sum is σ = 28973895048. Its totient is φ = 8277178400.

The previous prime is 16555434121. The next prime is 16555434127. The reversal of 16555434124 is 42143455561.

It is an interprime number because it is at equal distance from previous prime (16555434121) and next prime (16555434127).

It is not an unprimeable number, because it can be changed into a prime (16555434121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61042 + ... + 191929.

It is an arithmetic number, because the mean of its divisors is an integer number (2414491254).

Almost surely, 2^16555434124 is an apocalyptic number.

It is an amenable number.

16555434124 is a deficient number, since it is larger than the sum of its proper divisors (12418460924).

16555434124 is a wasteful number, since it uses less digits than its factorization.

16555434124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269336 (or 269334 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

Adding to 16555434124 its reverse (42143455561), we get a palindrome (58698889685).

The spelling of 16555434124 in words is "sixteen billion, five hundred fifty-five million, four hundred thirty-four thousand, one hundred twenty-four".