16616180040 has 64 divisors (see below), whose sum is σ = 49875773760. Its totient is φ = 4428560640.

The previous prime is 16616179999. The next prime is 16616180107. The reversal of 16616180040 is 4008161661.

It is a junction number, because it is equal to n+sod(n) for n = 16616179983 and 16616180010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188355 + ... + 262125.

It is an arithmetic number, because the mean of its divisors is an integer number (779308965).

Almost surely, 2^16616180040 is an apocalyptic number.

16616180040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16616180040 is an abundant number, since it is smaller than the sum of its proper divisors (33259593720).

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

16616180040 is a wasteful number, since it uses less digits than its factorization.

16616180040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75662 (or 75658 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 16616180040 in words is "sixteen billion, six hundred sixteen million, one hundred eighty thousand, forty".