16825689412 has 24 divisors (see below), whose sum is σ = 35630872704. Its totient is φ = 6786832512.

The previous prime is 16825689409. The next prime is 16825689437. The reversal of 16825689412 is 21498652861.

It is a self number, because there is not a number n which added to its sum of digits gives 16825689412.

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, 17673568 + ... + 17674519.

It is an arithmetic number, because the mean of its divisors is an integer number (1484619696).

Almost surely, 2^16825689412 is an apocalyptic number.

It is an amenable number.

16825689412 is an abundant number, since it is smaller than the sum of its proper divisors (18805183292).

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

16825689412 is a wasteful number, since it uses less digits than its factorization.

16825689412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35348115 (or 35348113 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 52.

The spelling of 16825689412 in words is "sixteen billion, eight hundred twenty-five million, six hundred eighty-nine thousand, four hundred twelve".