16983850885 has 8 divisors (see below), whose sum is σ = 20714729976. Its totient is φ = 13364341440.

The previous prime is 16983850879. The next prime is 16983850903. The reversal of 16983850885 is 58805838961.

It can be written as a sum of positive squares in 4 ways, for example, as 1102306401 + 15881544484 = 33201^2 + 126022^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16983850885 - 2¹⁷ = 16983719813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is a congruent number.

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, 27842074 + ... + 27842683.

It is an arithmetic number, because the mean of its divisors is an integer number (2589341247).

Almost surely, 2^16983850885 is an apocalyptic number.

It is an amenable number.

16983850885 is a deficient number, since it is larger than the sum of its proper divisors (3730879091).

16983850885 is an equidigital number, since it uses as much as digits as its factorization.

16983850885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55684823.

The product of its (nonzero) digits is 16588800, while the sum is 61.

It can be divided in two parts, 1698 and 3850885, that added together give a palindrome (3852583).

The spelling of 16983850885 in words is "sixteen billion, nine hundred eighty-three million, eight hundred fifty thousand, eight hundred eighty-five".