16863970926648 has 64 divisors (see below), whose sum is σ = 44394706857600. Its totient is φ = 5323564183680.

The previous prime is 16863970926643. The next prime is 16863970926659. The reversal of 16863970926648 is 84662907936861.

It is a self number, because there is not a number n which added to its sum of digits gives 16863970926648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16863970926643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5318763 + ... + 7875098.

It is an arithmetic number, because the mean of its divisors is an integer number (693667294650).

Almost surely, 2^{16863970926648} is an apocalyptic number.

It is an amenable number.

16863970926648 is an abundant number, since it is smaller than the sum of its proper divisors (27530735930952).

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

16863970926648 is a wasteful number, since it uses less digits than its factorization.

16863970926648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13196692 (or 13196688 counting only the distinct ones).

The product of its (nonzero) digits is 1128701952, while the sum is 75.

The spelling of 16863970926648 in words is "sixteen trillion, eight hundred sixty-three billion, nine hundred seventy million, nine hundred twenty-six thousand, six hundred forty-eight".