16863025540 has 24 divisors (see below), whose sum is σ = 37276162560. Its totient is φ = 6390199008.

The previous prime is 16863025523. The next prime is 16863025561. The reversal of 16863025540 is 4552036861.

It is a junction number, because it is equal to n+sod(n) for n = 16863025493 and 16863025502.

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, 22187812 + ... + 22188571.

It is an arithmetic number, because the mean of its divisors is an integer number (1553173440).

Almost surely, 2^16863025540 is an apocalyptic number.

16863025540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16863025540 is an abundant number, since it is smaller than the sum of its proper divisors (20413137020).

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

16863025540 is a wasteful number, since it uses less digits than its factorization.

16863025540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44376411 (or 44376409 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 16863025540 in words is "sixteen billion, eight hundred sixty-three million, twenty-five thousand, five hundred forty".