16998436000 has 768 divisors, whose sum is σ = 56586636288. Its totient is φ = 4866048000.

The previous prime is 16998435989. The next prime is 16998436003. The reversal of 16998436000 is 63489961.

It is not an unprimeable number, because it can be changed into a prime (16998436003) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 253707967 + ... + 253708033.

It is an arithmetic number, because the mean of its divisors is an integer number (73680516).

Almost surely, 2^16998436000 is an apocalyptic number.

16998436000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16998436000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28293318144).

16998436000 is an abundant number, since it is smaller than the sum of its proper divisors (39588200288).

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

16998436000 is a wasteful number, since it uses less digits than its factorization.

16998436000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 16998436000 in words is "sixteen billion, nine hundred ninety-eight million, four hundred thirty-six thousand".