16655603432 has 32 divisors (see below), whose sum is σ = 34133484000. Its totient is φ = 7572464064.

The previous prime is 16655603383. The next prime is 16655603491. The reversal of 16655603432 is 23430655661.

It is a self number, because there is not a number n which added to its sum of digits gives 16655603432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188182 + ... + 1202117.

It is an arithmetic number, because the mean of its divisors is an integer number (1066671375).

Almost surely, 2^16655603432 is an apocalyptic number.

It is an amenable number.

16655603432 is an abundant number, since it is smaller than the sum of its proper divisors (17477880568).

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

16655603432 is a wasteful number, since it uses less digits than its factorization.

16655603432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390385 (or 2390381 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 16655603432 in words is "sixteen billion, six hundred fifty-five million, six hundred three thousand, four hundred thirty-two".