16655742100 has 36 divisors (see below), whose sum is σ = 37714398624. Its totient is φ = 6372630880.

The previous prime is 16655742043. The next prime is 16655742139. The reversal of 16655742100 is 124755661.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16655742100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3618514 + ... + 3623113.

It is an arithmetic number, because the mean of its divisors is an integer number (1047622184).

Almost surely, 2^16655742100 is an apocalyptic number.

16655742100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16655742100 is an abundant number, since it is smaller than the sum of its proper divisors (21058656524).

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

16655742100 is a wasteful number, since it uses less digits than its factorization.

16655742100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241664 (or 7241657 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 16655742100 in words is "sixteen billion, six hundred fifty-five million, seven hundred forty-two thousand, one hundred".