16998415040 has 56 divisors (see below), whose sum is σ = 40558974000. Its totient is φ = 6785676288.

The previous prime is 16998414997. The next prime is 16998415061. The reversal of 16998415040 is 4051489961.

It is a super-2 number, since 2×16998415040² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106454 + ... + 212906.

Almost surely, 2^16998415040 is an apocalyptic number.

16998415040 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 16998415040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20279487000).

16998415040 is an abundant number, since it is smaller than the sum of its proper divisors (23560558960).

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

16998415040 is a wasteful number, since it uses less digits than its factorization.

16998415040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106969 (or 106959 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 16998415040 in words is "sixteen billion, nine hundred ninety-eight million, four hundred fifteen thousand, forty".