16613344340 has 12 divisors (see below), whose sum is σ = 34888023156. Its totient is φ = 6645337728.

The previous prime is 16613344301. The next prime is 16613344387. The reversal of 16613344340 is 4344331661.

It can be written as a sum of positive squares in 2 ways, for example, as 11201682244 + 5411662096 = 105838^2 + 73564^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16613344340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415333589 + ... + 415333628.

It is an arithmetic number, because the mean of its divisors is an integer number (2907335263).

Almost surely, 2^16613344340 is an apocalyptic number.

16613344340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16613344340 is an abundant number, since it is smaller than the sum of its proper divisors (18274678816).

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

16613344340 is a wasteful number, since it uses less digits than its factorization.

16613344340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830667226 (or 830667224 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 16613344340 in words is "sixteen billion, six hundred thirteen million, three hundred forty-four thousand, three hundred forty".