16619800834240 has 56 divisors (see below), whose sum is σ = 39637450062000. Its totient is φ = 6637581339648.

The previous prime is 16619800834157. The next prime is 16619800834249. The reversal of 16619800834240 is 4243800891661.

It is not an unprimeable number, because it can be changed into a prime (16619800834249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40180615 + ... + 40592134.

It is an arithmetic number, because the mean of its divisors is an integer number (707811608250).

Almost surely, 2^{16619800834240} is an apocalyptic number.

16619800834240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16619800834240 is an abundant number, since it is smaller than the sum of its proper divisors (23017649227760).

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

16619800834240 is an equidigital number, since it uses as much as digits as its factorization.

16619800834240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80773409 (or 80773399 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 16619800834240 in words is "sixteen trillion, six hundred nineteen billion, eight hundred million, eight hundred thirty-four thousand, two hundred forty".