16204003605090 has 128 divisors (see below), whose sum is σ = 49457012267520. Its totient is φ = 3698268585984.

The previous prime is 16204003605077. The next prime is 16204003605091. The reversal of 16204003605090 is 9050630040261.

It is a happy number.

16204003605090 is a `hidden beast` number, since 1 + 6 + 2 + 0 + 40 + 0 + 3 + 605 + 0 + 9 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (16204003605091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5097679 + ... + 7641618.

It is an arithmetic number, because the mean of its divisors is an integer number (386382908340).

Almost surely, 2^{16204003605090} is an apocalyptic number.

16204003605090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16204003605090 is an abundant number, since it is smaller than the sum of its proper divisors (33253008662430).

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

16204003605090 is a wasteful number, since it uses less digits than its factorization.

16204003605090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12739993 (or 12739987 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 16204003605090 in words is "sixteen trillion, two hundred four billion, three million, six hundred five thousand, ninety".