16825395384 has 96 divisors (see below), whose sum is σ = 54367808400. Its totient is φ = 4807252800.

The previous prime is 16825395371. The next prime is 16825395407. The reversal of 16825395384 is 48359352861.

16825395384 is a `hidden beast` number, since 1 + 6 + 8 + 253 + 9 + 5 + 384 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 16825395384.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 784267 + ... + 805434.

Almost surely, 2^16825395384 is an apocalyptic number.

16825395384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16825395384 is an abundant number, since it is smaller than the sum of its proper divisors (37542413016).

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

16825395384 is a wasteful number, since it uses less digits than its factorization.

16825395384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589730 (or 1589713 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 16825395384 in words is "sixteen billion, eight hundred twenty-five million, three hundred ninety-five thousand, three hundred eighty-four".