16102989 has 16 divisors (see below), whose sum is σ = 27264640. Its totient is φ = 9201600.

The previous prime is 16102979. The next prime is 16102991. The reversal of 16102989 is 98920161.

It is not a de Polignac number, because 16102989 - 2⁴ = 16102973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16102909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42412 + ... + 42789.

It is an arithmetic number, because the mean of its divisors is an integer number (1704040).

Almost surely, 2^16102989 is an apocalyptic number.

It is an amenable number.

16102989 is a deficient number, since it is larger than the sum of its proper divisors (11161651).

16102989 is an equidigital number, since it uses as much as digits as its factorization.

16102989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85217 (or 85211 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 16102989 is about 4012.8529751288. The cubic root of 16102989 is about 252.5237124416.

The spelling of 16102989 in words is "sixteen million, one hundred two thousand, nine hundred eighty-nine".