16554967240 has 128 divisors (see below), whose sum is σ = 43147468800. Its totient is φ = 5599445760.

The previous prime is 16554967223. The next prime is 16554967241. The reversal of 16554967240 is 4276945561.

It is not an unprimeable number, because it can be changed into a prime (16554967241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8118141 + ... + 8120179.

It is an arithmetic number, because the mean of its divisors is an integer number (337089600).

Almost surely, 2^16554967240 is an apocalyptic number.

16554967240 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 16554967240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21573734400).

16554967240 is an abundant number, since it is smaller than the sum of its proper divisors (26592501560).

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

16554967240 is a wasteful number, since it uses less digits than its factorization.

16554967240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435 (or 2431 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 16554967240 in words is "sixteen billion, five hundred fifty-four million, nine hundred sixty-seven thousand, two hundred forty".