16855035498 has 168 divisors, whose sum is σ = 44250131232. Its totient is φ = 4713632352.

The previous prime is 16855035493. The next prime is 16855035539. The reversal of 16855035498 is 89453055861.

16855035498 is a `hidden beast` number, since 1 + 6 + 85 + 503 + 54 + 9 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (16855035493) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 107356836 + ... + 107356992.

Almost surely, 2^16855035498 is an apocalyptic number.

16855035498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16855035498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22125065616).

16855035498 is an abundant number, since it is smaller than the sum of its proper divisors (27395095734).

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

16855035498 is an frugal number, since it uses more digits than its factorization.

16855035498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 16855035498 in words is "sixteen billion, eight hundred fifty-five million, thirty-five thousand, four hundred ninety-eight".