16498418840 has 32 divisors (see below), whose sum is σ = 37200973680. Its totient is φ = 6585228672.

The previous prime is 16498418821. The next prime is 16498418929. The reversal of 16498418840 is 4881489461.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422927 + ... + 460286.

Almost surely, 2^16498418840 is an apocalyptic number.

16498418840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16498418840 is an abundant number, since it is smaller than the sum of its proper divisors (20702554840).

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

16498418840 is a wasteful number, since it uses less digits than its factorization.

16498418840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883691 (or 883687 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 53.

The spelling of 16498418840 in words is "sixteen billion, four hundred ninety-eight million, four hundred eighteen thousand, eight hundred forty".