16657613513020 has 12 divisors (see below), whose sum is σ = 34980988377384. Its totient is φ = 6663045405200.

The previous prime is 16657613512993. The next prime is 16657613513029. The reversal of 16657613513020 is 2031531675661.

16657613513020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16657613513029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416440337806 + ... + 416440337845.

It is an arithmetic number, because the mean of its divisors is an integer number (2915082364782).

Almost surely, 2^{16657613513020} is an apocalyptic number.

16657613513020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16657613513020 is an abundant number, since it is smaller than the sum of its proper divisors (18323374864364).

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

16657613513020 is a wasteful number, since it uses less digits than its factorization.

16657613513020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832880675660 (or 832880675658 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 16657613513020 in words is "sixteen trillion, six hundred fifty-seven billion, six hundred thirteen million, five hundred thirteen thousand, twenty".