16819383885 has 16 divisors (see below), whose sum is σ = 26913280320. Its totient is φ = 8969582720.

The previous prime is 16819383871. The next prime is 16819383899. The reversal of 16819383885 is 58838391861.

It is an interprime number because it is at equal distance from previous prime (16819383871) and next prime (16819383899).

It is not a de Polignac number, because 16819383885 - 2¹³ = 16819375693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168721 + ... + 249209.

It is an arithmetic number, because the mean of its divisors is an integer number (1682080020).

Almost surely, 2^16819383885 is an apocalyptic number.

16819383885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16819383885 is a deficient number, since it is larger than the sum of its proper divisors (10093896435).

16819383885 is a wasteful number, since it uses less digits than its factorization.

16819383885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94428.

The product of its digits is 9953280, while the sum is 60.

The spelling of 16819383885 in words is "sixteen billion, eight hundred nineteen million, three hundred eighty-three thousand, eight hundred eighty-five".